Oatey Plastic Hanger Straps are available in a variety of lengths and offer a quick and inexpensive way to hang PVC, ABS, galvanized, black iron or cast iron piping from joists or rafters. Made of durable polyethylene, these hanger straps are both non-corrosive and non-conductive and feature 1/8 in. nail holes spaced 3/4 in. apart for easy installation. Oatey products have earned the trust of plumbing professionals for over 100 years.