🔐 Lock it down like a pro — safety that speaks volumes!
The Master Lock 491B Grip Tight™ Circuit Breaker Lockout is a professional-grade safety device designed for large and high circuit breakers. Featuring a chemically resistant Zenex composite body that endures extreme temperatures from -57°C to 182°C, and a hardened steel core for unbeatable security, it ensures a solid lockout every time. Compact, portable, and easy to mount, it’s trusted by professionals worldwide to maintain workplace safety and compliance.
| ASIN | B004J173HY |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 304,510 in DIY & Tools ( See Top 100 in DIY & Tools ) 667 in Combination Padlocks |
| Colour | Red & Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (290) |
| Date First Available | 10 Dec. 2011 |
| Finish | Powder Coated |
| Included Components | Electrical Lockout Device |
| Item Package Quantity | 1 |
| Item Weight | 45.4 g |
| Item model number | 491B |
| Manufacturer | Master Lock |
| Material | Steel |
| Measurement System | US |
| Part Number | 491B |
| Plug profile | DIN Rail Mount |
| Product Dimensions | 10.16 x 5.08 x 2.54 cm; 45.36 g |
| Shape | Square |
| Size | 14.7 cm x 8.4 cm x 3.4 cm |
| Special Features | portable |
| Style | For wide or high toggle switches |
| Usage | Outside, Outside; Professional |
| Voltage | 120 Volts |
E**.
Muy buen producto para el trabajo
H**F
Commande reçu à temps et quantité exact contrairement à d’autre. Top top
R**R
Worked perfectly for my job. Allowed me to lock out 575v circuit breaker without problems
S**E
Bon produit. Fais le travail.
C**N
Lo utilice para la pastilla de mi casa y hasta la fecha no tengo queja, es muy buen producto
Trustpilot
3 weeks ago
1 month ago
