The easy-to-use, single piece design of Ball Valve Lockouts from Brady® makes them the perfect tool for securing your valve handles in the off position. Locks out ball valve sizes from 0.25 in. to 1 in. (fits standard 9/32 in. lock shackle diameters). Made of super-tough nylon service temp -40° to 248° F (-40° to 120°C). Equipping your employees with the proper lockout tools and warning devices can save lives, reduce lost employee time, and cut insurance costs. Brady® is a world leader in lockout/tagout products and services offering industry expertise and a broad range of durable, easy-to-use lockout devices.