Ballscrew Ball

Oct 11
2009

Ballscrew Ball Screw Balls 100 pcs 01265 mm32131
Ballscrew Ball Screw Balls 100 pcs 01265 mm32131
$12.00
Time Remaining: 14d 13h 42m
Buy It Now for only: $12.00

KURODA C3 ground ballscrew 12 4mm L202mm BALL SCREW
KURODA C3 ground ballscrew 12 4mm L202mm BALL SCREW
$42.10 (2 Bids)
Time Remaining: 11h 33m

IAI Ball Screw Servo Driven Actuator 1300l With Controller
IAI Ball Screw Servo Driven Actuator 1300l With Controller
$699.99
Time Remaining: 28d 8h 46m
Buy It Now for only: $699.99

SFU1605 Ball screw L300mm Ballscrew ballnut for CNC
SFU1605 Ball screw L300mm Ballscrew ballnut for CNC
$44.99
Time Remaining: 25d 20h 55m
Buy It Now for only: $44.99

1 x used NSK Ballscrew Ball Screws W1502 205P C5Z for Hobby mini CNC Router
1 x used NSK Ballscrew Ball Screws W1502 205P C5Z for Hobby mini CNC Router
$29.00
Time Remaining: 23d 5h
Buy It Now for only: $29.00

THK C3 ground ballscrew 16 4mm L446mm BALL SCREW
THK C3 ground ballscrew 16 4mm L446mm BALL SCREW
$33.66 (3 Bids)
Time Remaining: 11h 25m

THK Linear Ball Screw Actuator KR33 10mm Lead 110mm Travel
THK Linear Ball Screw Actuator KR33 10mm Lead 110mm Travel
$149.99
Time Remaining: 22d 7h 58m
Buy It Now for only: $149.99

NSK Ballscrew Ball Screws W1503FA 1P C5Z 42 cm for Hobby mini CNC Router
NSK Ballscrew Ball Screws W1503FA 1P C5Z 42 cm for Hobby mini CNC Router
$29.00
Time Remaining: 23d 1h 36m
Buy It Now for only: $29.00

SFU1605 Ball screw L300mm Ballscrew ballnut for CNC
SFU1605 Ball screw L300mm Ballscrew ballnut for CNC
$49.50
Time Remaining: 27d 19h 55m
Buy It Now for only: $49.50

NSK C1 ground ballscrew 10 2mm L356mm BALL SCREW
NSK C1 ground ballscrew 10 2mm L356mm BALL SCREW
$31.00 (2 Bids)
Time Remaining: 11h 37m

THK BALLSCREW Precision C3 14 05 L420mm BALL SCREW CNC
THK BALLSCREW Precision C3 14 05 L420mm BALL SCREW CNC
$119.99
Time Remaining: 29d 4h 3m
Buy It Now for only: $119.99

THK TX GROUND Ball Screw L395mm cnc router 28 06
THK TX GROUND Ball Screw L395mm cnc router 28 06
$179.95
Time Remaining: 28d 18h 21m
Buy It Now for only: $179.95

SFU1204 4 Ball Screw L300mm Ballscrew + Ballnut For CNC
SFU1204 4 Ball Screw L300mm Ballscrew + Ballnut For CNC
$50.00
Time Remaining: 14d 20h 43m
Buy It Now for only: $50.00

THK C3 ground ballscrew 16 4mm L397mm BALL SCREW
THK C3 ground ballscrew 16 4mm L397mm BALL SCREW
$33.66 (2 Bids)
Time Remaining: 11h 29m

THK BALLSCREW Precision C3 16 04 L400mm BALL SCREW CNC
THK BALLSCREW Precision C3 16 04 L400mm BALL SCREW CNC
$119.99
Time Remaining: 29d 4h 4m
Buy It Now for only: $119.99

1 ball nut housings nut bracket fit RM2005 RM2010 Flange nut ballscrew
1 ball nut housings nut bracket fit RM2005 RM2010 Flange nut ballscrew
$36.00
Time Remaining: 17d 4h 28m
Buy It Now for only: $36.00

THK BNT 2505 A Ball Screw L1115mm cnc router 25 05
THK BNT 2505 A Ball Screw L1115mm cnc router 25 05
$279.95
Time Remaining: 17d 19h 39m
Buy It Now for only: $279.95

NSK BALLSCREW Precision 16 25 L470mm BALL SCREW CNC
NSK BALLSCREW Precision 16 25 L470mm BALL SCREW CNC
$39.99
Time Remaining: 3d 11h 37m

Kuroda Ball Screw 25 16C5S Great Z Axis Screw
Kuroda Ball Screw 25 16C5S Great Z Axis Screw
$60.00
Time Remaining: 2d 14h 40m
Buy It Now for only: $60.00

SFU1605 Ball screw L200mm Ballscrew ballnut for CNC
SFU1605 Ball screw L200mm Ballscrew ballnut for CNC
$40.99
Time Remaining: 27d 19h 56m
Buy It Now for only: $40.99

NSK W2502WF 30PS1 Ball Screw Fast lead
NSK W2502WF 30PS1 Ball Screw Fast lead
$75.00
Time Remaining: 2d 14h 48m
Buy It Now for only: $75.00

NSK BALLSCREW Precision 12 25 L400mm BALL SCREW CNC
NSK BALLSCREW Precision 12 25 L400mm BALL SCREW CNC
$29.99 (1 Bid)
Time Remaining: 3d 11h 33m

IAI Linear Ball Screw Actuator 300mm With Controller
IAI Linear Ball Screw Actuator 300mm With Controller
$399.99
Time Remaining: 9h 2m
Buy It Now for only: $399.99

Rexroth Ball Screw 1975 Thread Length 5 8 lead
Rexroth Ball Screw 1975 Thread Length 5 8 lead
$90.00
Time Remaining: 10d 21h
Buy It Now for only: $90.00

SFU1604 Ball screw L500mm Ballscrew ballnut for CNC
SFU1604 Ball screw L500mm Ballscrew ballnut for CNC
$90.00
Time Remaining: 9d 20h 17m
Buy It Now for only: $90.00

ISSOKU BALLSCREW Precision 12 02 L280mm BALL SCREW CNC
ISSOKU BALLSCREW Precision 12 02 L280mm BALL SCREW CNC
$29.99
Time Remaining: 3d 11h 28m

Kuroda Ball Screw CNC Axis 4mm lead Pitch Precision
Kuroda Ball Screw CNC Axis 4mm lead Pitch Precision
$65.00
Time Remaining: 17d 11h 36m
Buy It Now for only: $65.00

THK BALLSCREW Precision 14 05 L355mm BALL SCREW CNC
THK BALLSCREW Precision 14 05 L355mm BALL SCREW CNC
$109.99
Time Remaining: 29d 4h 5m
Buy It Now for only: $109.99

NSK W0801MA 11PY C3Z Ground Ball Screw L198mm cnc router 08 02
NSK W0801MA 11PY C3Z Ground Ball Screw L198mm cnc router 08 02
$149.95
Time Remaining: 28d 18h 6m
Buy It Now for only: $149.95

Warner Ball Screw 22 long 05dia 5TPI 17 7 8 of travel
Warner Ball Screw 22 long 05dia 5TPI 17 7 8 of travel
$89.00
Time Remaining: 14h 12m

NSK Ball Screw Precision Ground W2504W 47PSP C5Z CNC Ready
NSK Ball Screw Precision Ground W2504W 47PSP C5Z CNC Ready
$85.00
Time Remaining: 4d 21h 25m
Buy It Now for only: $85.00

Rexroth Ball Screw 16 thread length 5 8 lead R151206013
Rexroth Ball Screw 16 thread length 5 8 lead R151206013
$80.00
Time Remaining: 10d 20h 56m
Buy It Now for only: $80.00

Thompson Liner Actuator Ball Screw Driven 2R312 200101 625L
Thompson Liner Actuator Ball Screw Driven 2R312 200101 625L
$399.99
Time Remaining: 22d 6h 8m
Buy It Now for only: $399.99

NSK C3 ground ballscrew 8 2mm L138mm BALL SCREW
NSK C3 ground ballscrew 8 2mm L138mm BALL SCREW
$29.00
Time Remaining: 11h 38m

SFU1204 4 Ball Screw L300mm Ballscrew + Ballnut For CNC
SFU1204 4 Ball Screw L300mm Ballscrew + Ballnut For CNC
$50.00
Time Remaining: 14d 20h 36m
Buy It Now for only: $50.00

ROLLED Ball Screw L165mm cnc router 10 02
ROLLED Ball Screw L165mm cnc router 10 02
$99.95
Time Remaining: 28d 18h 14m
Buy It Now for only: $99.95

SFU1605 Ball screw L700mm Ballscrew ballnut for CNC
SFU1605 Ball screw L700mm Ballscrew ballnut for CNC
$99.99
Time Remaining: 9d 20h 5m
Buy It Now for only: $99.99

Warner Ball Screw 29 long 05dia 5TPI 25 of travel
Warner Ball Screw 29 long 05dia 5TPI 25 of travel
$109.00
Time Remaining: 14h 13m

NSK Ball Screws Ballscrew w2003 1019zyt c3z 44 cm
NSK Ball Screws Ballscrew w2003 1019zyt c3z 44 cm
$39.00
Time Remaining: 22d 1h 52m
Buy It Now for only: $39.00

THK Linear Positioning Ball Screw A8816 265 x 0980
THK Linear Positioning Ball Screw A8816 265 x 0980
$49.95
Time Remaining: 25d 12h 30m
Buy It Now for only: $49.95

THK KX GROUND BALL SCREW 470MM LONG THK AK AF 12 CNC MIKI PULLEY SFC 030WD
THK KX GROUND BALL SCREW 470MM LONG THK AK AF 12 CNC MIKI PULLEY SFC 030WD
$99.99
Time Remaining: 18d 14h 42m
Buy It Now for only: $99.99

Warner Ball Screw 29 long 05dia 5TPI 25 of travel
Warner Ball Screw 29 long 05dia 5TPI 25 of travel
$109.00
Time Remaining: 14h 14m

SMC AC Actuator LJH1011NB 400 Ball Screw Linear Guide Rail 400L Precision LJ1H
SMC AC Actuator LJH1011NB 400 Ball Screw Linear Guide Rail 400L Precision LJ1H
$299.99
Time Remaining: 25d 23h 6m
Buy It Now for only: $299.99

Kuroda CNC Ball Screw Z Axis Power Screw
Kuroda CNC Ball Screw Z Axis Power Screw
$45.00
Time Remaining: 29d 14h 12m
Buy It Now for only: $45.00

NSK PSS20101N1D1414 Precision Ballscrew 1414mm Ball Screw
NSK PSS20101N1D1414 Precision Ballscrew 1414mm Ball Screw
$425.00
Time Remaining: 22d 6h 40m
Buy It Now for only: $425.00

Duncan Equip Ball Screw Actuator 25 length SN87 1 3 4 Dia NIB
Duncan Equip Ball Screw Actuator 25 length SN87 1 3 4 Dia NIB
$750.00
Time Remaining: 2d 10h 3m

ISSOKU Ballscrew Ball Screw Ball Screws 42 cm for Hobby mini CNC Router Machine
ISSOKU Ballscrew Ball Screw Ball Screws 42 cm for Hobby mini CNC Router Machine
$39.00
Time Remaining: 25d 5h 30m
Buy It Now for only: $39.00

THK KR33 A Linear Precision 20mm Ground Ball Screw Actuator 90L NSK SMC
THK KR33 A Linear Precision 20mm Ground Ball Screw Actuator 90L NSK SMC
$199.99
Time Remaining: 7d 13h 3m
Buy It Now for only: $199.99

Actuator 760mm ball screw linear rail cnc router pitch 20mm
Actuator 760mm ball screw linear rail cnc router pitch 20mm
$289.95
Time Remaining: 27d 18h 34m
Buy It Now for only: $289.95

Warner Ball Screw 22 long 05dia 5TPI 17 7 8 of travel
Warner Ball Screw 22 long 05dia 5TPI 17 7 8 of travel
$89.00
Time Remaining: 14h 11m

Ballscrew Ball Screw Balls 100 pcs 01260 mm32004
Ballscrew Ball Screw Balls 100 pcs 01260 mm32004
$12.00
Time Remaining: 6d 17h 6m
Buy It Now for only: $12.00

Linear Actuator Ball Screw Slide Rail CNC with Motor Drive
Linear Actuator Ball Screw Slide Rail CNC with Motor Drive
$195.00
Time Remaining: 23d 7h 48m
Buy It Now for only: $195.00

REXROTH PRECISION GROUND BALL SCREW NEW
REXROTH PRECISION GROUND BALL SCREW NEW
$169.95
Time Remaining: 13d 14h 56m
Buy It Now for only: $169.95

IA IAI Intelligent Actuator Ball Screw kit DS SA6M 100 AQ DS S C1 software
IA IAI Intelligent Actuator Ball Screw kit DS SA6M 100 AQ DS S C1 software
$1,200.00
Time Remaining: 2d 15h 39m

THK KX 8H20 Ball Screw NOS
THK KX 8H20 Ball Screw NOS
$125.00
Time Remaining: 1d 15h 16m
Buy It Now for only: $125.00

THK KR30 Linear Precision 10mm Ground Ball Screw Actuator 133L NSK Guide Rail
THK KR30 Linear Precision 10mm Ground Ball Screw Actuator 133L NSK Guide Rail
$259.99
Time Remaining: 7d 19h 43m
Buy It Now for only: $259.99

PRECISION BALL SCREW 732597 44 NEW
PRECISION BALL SCREW 732597 44 NEW
$194.94
Time Remaining: 13d 11h 9m
Buy It Now for only: $194.94

Linear Actuator A Track 10 24V DC 1000 Lb Ball Screw 6 Stroke NEW 24 Volt
Linear Actuator A Track 10 24V DC 1000 Lb Ball Screw 6 Stroke NEW 24 Volt
$79.99
Time Remaining: 2d 12h 11m

SMC LG1H2022NC 700 F3 15mm Servo Ball Screw Linear Actuator 710L NSK Guides
SMC LG1H2022NC 700 F3 15mm Servo Ball Screw Linear Actuator 710L NSK Guides
$499.99
Time Remaining: 29d 23h 24m
Buy It Now for only: $499.99

Ballscrew Ball Screw Balls 100 pcs 01257 mm31927
Ballscrew Ball Screw Balls 100 pcs 01257 mm31927
$12.00
Time Remaining: 23d 14h 6m
Buy It Now for only: $12.00

THOMSON LINEAR SLIDE TABLE 4 TRK HSR20 BEARINGS 2 32 RAILS 35 1 4 BALL SCREW
THOMSON LINEAR SLIDE TABLE 4 TRK HSR20 BEARINGS 2 32 RAILS 35 1 4 BALL SCREW
$399.99
Time Remaining: 7d 14h 10m
Buy It Now for only: $399.99

1605 Ball Screw 250mm 9 27 32 Machined Ends Supports BK12 BF12 CNC Router
1605 Ball Screw 250mm 9 27 32 Machined Ends Supports BK12 BF12 CNC Router
$157.00
Time Remaining: 2d 21h 17m
Buy It Now for only: $173.00

THK BLK1616 36ZZ 034 BASE 142MM BALL SCREW NNB
THK BLK1616 36ZZ 034 BASE 142MM BALL SCREW NNB
$155.45
Time Remaining: 24d 8h 16m
Buy It Now for only: $155.45

Ballscrew Ball Screw Balls 100 pcs 01253 mm31826
Ballscrew Ball Screw Balls 100 pcs 01253 mm31826
$12.00
Time Remaining: 10d 19h 47m
Buy It Now for only: $12.00

THK GL20N Ball Screw Linear Actuator 300mm Travel
THK GL20N Ball Screw Linear Actuator 300mm Travel
$329.99
Time Remaining: 22d 7h 18m
Buy It Now for only: $329.99

1605 Ball Screw 700mm 27 9 16 Machined Ends Supports BK12 BF12 CNC Router
1605 Ball Screw 700mm 27 9 16 Machined Ends Supports BK12 BF12 CNC Router
$193.00
Time Remaining: 2d 21h 17m
Buy It Now for only: $213.00

STEINMEYER PRECISION GROUND ZERO BACKLASH BALL SCREW
STEINMEYER PRECISION GROUND ZERO BACKLASH BALL SCREW
$789.95
Time Remaining: 20d 7h 49m
Buy It Now for only: $789.95

NEW 43 THK BTK1405+1000 Ballscrew Linear Actuator CNC Router DIY Ball Screw
NEW 43 THK BTK1405+1000 Ballscrew Linear Actuator CNC Router DIY Ball Screw
$199.00
Time Remaining: 24d 8h 5m
Buy It Now for only: $199.00

KURODA 2525 Ball Screw L1218mm cnc router NEW
KURODA 2525 Ball Screw L1218mm cnc router NEW
$249.95
Time Remaining: 6d 20h
Buy It Now for only: $249.95

1605 Ball Screw 400mm 15 3 4 Machined Ends Supports BK12 BF12 CNC Router
1605 Ball Screw 400mm 15 3 4 Machined Ends Supports BK12 BF12 CNC Router
$167.00
Time Remaining: 2d 21h 17m
Buy It Now for only: $185.00

THK KR45 Linear Precision 20mm Ground Ball Screw Actuator 710L NSK Guide Rail
THK KR45 Linear Precision 20mm Ground Ball Screw Actuator 710L NSK Guide Rail
$599.99
Time Remaining: 29d 22h 40m
Buy It Now for only: $599.99

NB CORPORATION SWA 10 LINEAR BALL SCREW 21 LONG
NB CORPORATION SWA 10 LINEAR BALL SCREW 21 LONG
$179.99
Time Remaining: 10d 15h 27m
Buy It Now for only: $179.99

THK KR33 A Linear Precision 20mm Ground Ball Screw Actuator 90L NSK SMC
THK KR33 A Linear Precision 20mm Ground Ball Screw Actuator 90L NSK SMC
$199.99
Time Remaining: 7d 13h 3m
Buy It Now for only: $199.99

5 INCH BALL SCREW WITH MOUNTS 1 2 INCH SCREW
5 INCH BALL SCREW WITH MOUNTS 1 2 INCH SCREW
$69.99
Time Remaining: 3d 12h 59m

THK GL20N Ball Screw Linear Actuator 200mm Travel
THK GL20N Ball Screw Linear Actuator 200mm Travel
$299.99
Time Remaining: 22d 7h 8m
Buy It Now for only: $299.99

THK KX 6256B BALL SCREW 12 LONG MACHINE REPAIR LEAD SCREW ASSEMBLY
THK KX 6256B BALL SCREW 12 LONG MACHINE REPAIR LEAD SCREW ASSEMBLY
$59.99
Time Remaining: 15d 9h 10m
Buy It Now for only: $59.99

NSK W0800MA 5PY C3Z Ground Ball Screw L120mm cnc router 08 02
NSK W0800MA 5PY C3Z Ground Ball Screw L120mm cnc router 08 02
$99.95
Time Remaining: 28d 18h 12m
Buy It Now for only: $99.95

Ball Screw 354 CNC Router Mill Lathe Plasma Laser
Ball Screw 354 CNC Router Mill Lathe Plasma Laser
$355.90
Time Remaining: 2d 9h 59m

1 4 Ball Plunger Stop for CNC Ball Screw Linear Rail
1 4 Ball Plunger Stop for CNC Ball Screw Linear Rail
$12.99
Time Remaining: 26d 20h 45m
Buy It Now for only: $12.99

LSI PRECISION GROUND ZERO BACKLASH BALL SCREW 500 LEAD 2000 THREAD DIA NEW
LSI PRECISION GROUND ZERO BACKLASH BALL SCREW 500 LEAD 2000 THREAD DIA NEW
$549.95
Time Remaining: 16h 46m
Buy It Now for only: $549.95

Precision Dovetail Linear Actuator Guide 15L 15mm Travel 1mm Lead Ball Screw
Precision Dovetail Linear Actuator Guide 15L 15mm Travel 1mm Lead Ball Screw
$179.99
Time Remaining: 29d 23h 26m
Buy It Now for only: $179.99

Ball Screw 51 Machined end shafts CNC Router Mill Lathe Plasma Laser
Ball Screw 51 Machined end shafts CNC Router Mill Lathe Plasma Laser
$425.30
Time Remaining: 2d 9h 59m

SFU1605 Ball screw L600mm Ballscrew ballnut for CNC
SFU1605 Ball screw L600mm Ballscrew ballnut for CNC
$89.99
Time Remaining: 9d 20h 4m
Buy It Now for only: $89.99

GSA GROUND Ball Screw L170mm cnc router thk 08 02
GSA GROUND Ball Screw L170mm cnc router thk 08 02
$89.95
Time Remaining: 24d 19h 23m
Buy It Now for only: $89.95

THK HIGH LEAD PRECISION ROLLED BALL SCREW P NBLK5050 NEW
THK HIGH LEAD PRECISION ROLLED BALL SCREW P NBLK5050 NEW
$450.00
Time Remaining: 23d 9h
Buy It Now for only: $450.00

Ball Screw 14 Rolled CNC Router Mill Lathe Plasma Laser
Ball Screw 14 Rolled CNC Router Mill Lathe Plasma Laser
$217.11
Time Remaining: 2d 9h 59m

SFU1605 Ball screw L250mm Ballscrew With Single ballnut for CNC
SFU1605 Ball screw L250mm Ballscrew With Single ballnut for CNC
$42.99
Time Remaining: 25d 18h 54m
Buy It Now for only: $42.99

KURODA GE15 5 ball screw ballscrew 170mm Travel
KURODA GE15 5 ball screw ballscrew 170mm Travel
$69.53
Time Remaining: 18d 18h 38m
Buy It Now for only: $69.53

STAR 1512 4 4014 51 IN LENGTH BALL SCREW 151244014
STAR 1512 4 4014 51 IN LENGTH BALL SCREW 151244014
$150.00
Time Remaining: 15d 7h 8m
Buy It Now for only: $150.00

Ball Screw 26 CNC Router Mill Lathe Plasma Laser lead
Ball Screw 26 CNC Router Mill Lathe Plasma Laser lead
$177.46
Time Remaining: 2d 10h 1m

NEW CNC Ball Screw Z Axis Power ACTUATOR Genmark automation F0246 robot servo
NEW CNC Ball Screw Z Axis Power ACTUATOR Genmark automation F0246 robot servo
$499.00
Time Remaining: 3d 9h 21m
Buy It Now for only: $499.00

THK ULTRA PRECISION LINEAR BALL SCREW  NUT ASSY 325
THK ULTRA PRECISION LINEAR BALL SCREW NUT ASSY 325
$139.00
Time Remaining: 2d 13h 27m
Buy It Now for only: $139.00

Shuton Precision Ground Ball Screw Linear Actuator 50mm 2690L 30mm Lead NSK THK
Shuton Precision Ground Ball Screw Linear Actuator 50mm 2690L 30mm Lead NSK THK
$649.99
Time Remaining: 29d 22h 40m
Buy It Now for only: $649.99

C90252 Ballscrew Ball Screw Linear  Rotary Positioning Positioner w Encoder
C90252 Ballscrew Ball Screw Linear Rotary Positioning Positioner w Encoder
$49.99
Time Remaining: 4d 17h 9m

THK GL20N SSR20 Linear Rolled Ball Screw Actuator 830L Linear Guide Rail LM NSK
THK GL20N SSR20 Linear Rolled Ball Screw Actuator 830L Linear Guide Rail LM NSK
$749.99
Time Remaining: 29d 22h 40m
Buy It Now for only: $749.99

NSK W1001Z 732P C3Z Ball Screw L230mm cnc router thk 10 04
NSK W1001Z 732P C3Z Ball Screw L230mm cnc router thk 10 04
$149.95
Time Remaining: 24d 19h 17m
Buy It Now for only: $149.95

THK WTF 15203 15 20 Ball Screw L1115mm cnc router
THK WTF 15203 15 20 Ball Screw L1115mm cnc router
$179.95
Time Remaining: 23d 1h 3m
Buy It Now for only: $179.95

Linear Actuator A Track 5 230V AC 1300 Lb Ball Screw 6 Stroke NEW 230 Volt
Linear Actuator A Track 5 230V AC 1300 Lb Ball Screw 6 Stroke NEW 230 Volt
$134.99
Time Remaining: 5d 18h 14m
Buy It Now for only: $189.99

THK BLK 1616E Ball Screw L720mm cnc router 16 16
THK BLK 1616E Ball Screw L720mm cnc router 16 16
$229.95
Time Remaining: 20d 19h 6m
Buy It Now for only: $229.95

THK LM Linear Motion Ball Screw Driven Table GL20 065 HV New
THK LM Linear Motion Ball Screw Driven Table GL20 065 HV New
$499.99
Time Remaining: 20d 15h 35m
Buy It Now for only: $499.99

Ballscrew Ball
Ballscrew Ball

taig ballscrew ball screw backlash 0.00027" or in mm 0.007mm

Comments are closed.