Universal Valve Lockout Blocking Arm Height 9 in For Maximum Padlock Shackle Diameter 9/32 in Maximum Number of Padlocks 1 Product Type Universal Valve Lockout Vertical Arm Material Nylon/Steel Includes Short Arm Blocking Arm Length 4.5 in For Maximum Handle Thickness 1 in For Maximum Handle Width 1.63 in For Valve Type Universal Horizontal Arm Material Nylon/Steel Lockout Color Red Lockout Depth 9 in Lockout Height 3 in Lockout Material Nylon/Steel Lockout Width 7 in