Tinned Pure Copper, the surface is flat and smooth without burrs, the middle has no section, safe and reliable.Cold Pressed Terminals pure copper silver plated Length: 5m (16.4ft), Width: 6mm,Thickness: 1.5mm, soft and bendable, can be twisted and deformed at will. Used as common grounding strap, grounding cable and current transmission line, grounding wire, shielding, etc Providing Radiation protection for special facilities such as cable circuits, laboratories, computer rooms, etc. Packing List: Length: 5m, Width: 6mm, Thickness: 1.5mm,Tinned Flat Copper Braid Cable. 20PCS OT4-6 Cold Pressed Terminals.20PCS OT4-8 Cold Pressed Terminals