For use with copper, PEX and CPVC piping Pre-loaded, rust resistant nail provides fast and easy installation Half clamp eliminates contact between the pipe and framing surface Ribbed design insulates against water line noise Fits 1/2 in. pipes Pre-loaded nail feature provides fast and easy installation Ribbed design insulates against water line noise No corrosion - made of durable polypropylene (gray color) Rust resistant nails Can be used on hydronic systems