The faucet fixing nut is make of ABS, which is wear resistance, high hardness, and enduring Please note that thread of this faucet nut is ONLY suitable for hot and cold water faucets : The opening design enables installation without the faucet water pipe, which is very The faucet nut can fix loose faucets, perfect for repairing kitchen bathroom and other single hole hot and cold water faucets Suitable for 32mm / 1.26inch outside diameter threaded hot and cold water faucets