Cable Support Grounding Lug, Item 2-1/2 to 6 Inch Grounding Lug, Grounding Wire Size 250 to 500 KCMIL (Copper), Material Tin Plated Copper (Grounding Saddle), Stainless Steel (Clamping Tension Body), Stainless Steel (Screws), Used On Cable Support, Approval UL, CSA