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Master Lock Circuit Breaker Lockout - for tall and wide toggles

Master Lock 491B
SKU MAS-491B
Master Lock Circuit Breaker Lockout - for tall and wide toggles

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Accept all American Lock and Master Lock safety padlock shackles and lockout hasp diameters with this circuit breaker lockout. It grips tight with simple thumb turn and clamping handle. Its durable construction with powder coated steel and reinforced polymer allows operation in harsh environments.

Similar Specialty Hand Tools Products

Master Lock 491B Description

Accept all American Lock and Master Lock safety padlock shackles and lockout hasp diameters with this circuit breaker lockout. It grips tight with simple thumb turn and clamping handle. Its durable construction with powder coated steel and reinforced polymer allows operation in harsh environments.

Similar Specialty Hand Tools Products

$13.07Each
In Stock-

Ships between 02/26/2026 - 03/02/2026

Master Lock
Visit The Master Lock Store

Product Specifications

Part Number491B, 470-491B
Weight0.01-lb
UPC071649229718

Shop Top 100 Tools & Hardware Products.

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Manufacturer Description

Circuit Breaker Lockout - for tall and wide toggles

  • Secure and simple mounting for a solid lockout. Grips tight with simple thumb turn and clamping handle. Accept all American Lock and Master Lock safety padlock shackle and lockout hasp diameters. Durable construction with powder coated steel and reinforced p
  • Weight: 0.01 lb
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Master Lock Circuit Breaker Lockout - for tall and wide toggles
$13.07Each
In Stock-

Ships between 02/26/2026 - 03/02/2026

Similar Specialty Hand Tools Products

Master Lock 491B Description

Accept all American Lock and Master Lock safety padlock shackles and lockout hasp diameters with this circuit breaker lockout. It grips tight with simple thumb turn and clamping handle. Its durable construction with powder coated steel and reinforced polymer allows operation in harsh environments.

Product Specifications

Master Lock
Visit The Master Lock Store
Part Number491B, 470-491B
Weight0.01-lb
UPC071649229718

Shop Top 100 Tools & Hardware Products.

View other Specialty Hand Tools Best Sellers.

Manufacturer Description

Circuit Breaker Lockout - for tall and wide toggles

  • Secure and simple mounting for a solid lockout. Grips tight with simple thumb turn and clamping handle. Accept all American Lock and Master Lock safety padlock shackle and lockout hasp diameters. Durable construction with powder coated steel and reinforced p
  • Weight: 0.01 lb
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

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