... : anti-rust , heat&cold resistant , powerful capacity Item name : feeder clamp (cable clamp)Product class : through type , triple stack , 3X1Materials : metallic parts made ... of SUS304 , plastic clamp made of PP.Matching cable : standard 1/2" (other sizes available)Quality warranty ... cold , salt mist , etc. we passed ISO9001 and ISO14001 feeder clamp for 1/2"