Oatey 33908 Securing Straps, 1-Inch, Copper Use with Copper, PVC, CPVC, galvanized, polybutylene and other piping systems Allows pipe to be flush mounted to walls, joists and rafters Tube straps are used to support tubing Supports any water supply lines penetrating the wall Holes on 2-Inch centers for 1/2-Inch pipe and 4-Inch centers for 3/4-Inch and 1-Inch copper pipe Nail in place and solder pipe to copper plated bracket for secure installation