Brady Red Small LOTO-23 Super-Tough Nylon Ball Valve Lockut accepts 9/32" padLockshackles and is ideal for use on ball valve from 1/4" - 1". Valve Lockut is easy to use and features single-piece design that secures your valve handles in off position. It supports 1 1/2" X 3/4" handle and has a service temperature of -40 to 248 deg F.