"Manufactured from durable, non-adherent plastic.,Safe and easy to fit.Fits over valve handles of various diameters. Resists chemicals and high and low temperatures. Valve can be set to any desired level - lock will prevent tampering or further adjustment. Stainless steel hinge for strength and security. Unique removable centre accommodates OS&Y or rising stem gate valves. Designed to accept all locks up to 9.5mm shackle diameter and 19mm or greater vertical shackle clearanceType = Gate Valve LockoutMaterial = PPAttachment Point Minimum Size = 64mmAttachment Point Maximum Size = 127mmLock Shackle Maximum Diameter = 6.5mmProduct Description = Gate Valve Lockout, Yellow, 64-127 mm"