Gas Cylinder Lockout, Size 6 x 3-1/2 in, Color Red, Material Polypropylene, Includes (1) Lockout Device (padlock sold separately), Standards OSHA 1910.147, ANSI Standard Z244, Neck Ring Diameter 3 1/2 in, Padlock Shackle Max. Dia. 3/8 in, Max. Number of Padlocks 1, Cylinder Lockout Pressure Type High/Low, Thread Size 11 UNF, OSHA Compliant Yes. This item has been restricted from sale in the following state (s): []