Air Line Regulator Lockout, Max. Number of Padlocks 1, Padlock Shackle Max. Dia. 9/32 in, Red, Dimensions 1-1/3 in D x 1-1/2 in H, Aluminum; Fiberglass Reinforced Nylon, Lockout Visibility No, For Use With Intermediate SMC Models AR3000/NAR3000, Max. Number of Devices 1, Includes Lockout, Cap, Hex Wrench, Standards OSHA 1910.147. This item has been restricted from sale in the following state (s): []