Brady Red LOTO-7 "DANGER LockD OUT DO NOT REMOVE" Injection Molded Polypropylene Small Gate Valve Lockut accepts Lock with shackles up to 3/8" Dia and offers impact resistance as well as chemical resistance. Gate valve Lockut features patented design that has a unique knockout center that holds OS&Y and "rising stem" valves. Rugged Lockut has a service temperature from -20 to 80 deg C and fits 2 1/2 - 5" Dia handle. It has capacity to withstand temperatures from -20 to 300 deg F.