Copper Clad Steel - Strong as Steel and Corrosion Resistance of Copper 5/8 in. x 10 ft. Strap has Alternating (1/4 in. and 3/16 in. Dia) Nail Holes Quick and inexpensive way to hang pipe from joists or rafters Flexible and Easy to Work With The Rocky Mountain Goods Copper Clad Hanger strap is a quick and inexpensive solution for hanging pipes. It combines the strength of steel with the corrosion resistance of copper. Measuring 5/8" x 10ft, it features alternating nail holes and is flexible and easy to work with.