Oatey Copper Tube Straps enable flush mounting of the pipe to the wall, joist and rafters. Made of copper-plated steel, these tube straps are available in a variety of pipe sizes and are designed for use with copper, CPVC and PEX piping systems. Pre-drilled holes allow for fast and easy installation. Oatey products have earned the trust of plumbing professionals for over 100 years.