... copper clamp, copper saddle clamp 1, Material: Copper Alloy. 2, weight:100g 3.earth rod wire clamp die casting,grounding rod copper clamp, copper saddle clamp1, Material: Copper ... Alloy.2, weight:100g3.earth rod ... Alloy Steel; ductile iron;gray iron;Aluminum Alloy;Copper Alloy.2, Standard: ASTM, GB or as ...