Plug Valve Lockout For Maximum Valve Stem Diameter 1 3/8 in For Minimum Valve Stem Diameter 3/32 in For Maximum Padlock Shackle Diameter 3/8 in For Use With Manually-Actuated Plug Valves with a Stem Legend Danger Locked Out Do Not Operate Lockout Color Red Lockout Material Polypropylene Maximum Number of Padlocks 1 Maximum Temperature 175 Degrees F Minimum Temperature 0 Degrees F Outside Diameter 3.21 in Overall Height 3.39 in Resistance Properties Tamper Resistant