Puncture Clamp 1,Product No.: JBC 2,Material: copper-Aluminum 3,Technic: Hot-dip Galvanized 4,50 ... -proof, prolonging the life of insulation of conductor and clamp;2, Flexible installation, matching insualted and gloves,live operation, don't ... made fully insulated shell, the insulating strength highly up to 2.5KV. The insulating shell infiltrates the fiberglass to enhance body strength ...