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The Master Lock No. 491B Grip Tightâ„¢ Circuit Breaker Lockout Device fits wide or tall breaker toggles typically found on hi-voltage/hi-amperage breakers. The innovative patented Grip Tightâ„¢ design effectively locks out circuit breakers with a simple thumb turn and then close clamping handle for a tight grip on the toggle.
This sturdily made lockout is designed to block valve handles from unwanted movement and position change. Locks ball valves safely and efficiently.
Manufactured from a 1/25" thickness high impact styrene with a brass eyelet to take a shackle diameter of up to 3/8". These tags easily pass the OSHA 50lbs "pull force" offer a double sided, easy to write surface. They offer a double sided, easy to write and clean surface. We advise these tags are best used with a non-permanent water based ink pen (RWPT01 recommended) and this will give a good operational life. An oil-based permanent marker pen (RWPT02) will allow for good identification but will only work well for a single use.