The Master Lock S3821 Grip Tight™ Plus Circuit Breaker Lockout Device fits Miniature Circuit Breakers (120/240 V). Its lightweight, one-piece design easily and consistently installs without use of tools. The stainless steel thumbscrew and toothed jaw provide a tight grip on the circuit breaker handle so device remains secure. Its compact size allows for locking out vertically and horizontally adjacent breakers. Also suitable for multi-pole breakers and tie-bar toggles.

• Grip Tight™ Plus Circuit Breaker Lockout Device
• Fits Miniature Circuit Breakers (120/240 V)
• Compatible with a wide variety of circuit breaker handle shapes and sizes
• Compact size allows for locking out vertically and horizontally adjacent breakers
• Suitable for locking out multi-pole breakers and works with tie-bar toggles
• Easy tightening offered by large, knurled thumbscrew with slot for optional screwdriver adjustment
• Requires no tools for installation
• Lightweight, one-piece design