Item Copper clamps 190A Indoor 225A Outdoor End Connectors Ferrules Both Ends Grounding Clamps Hole Diameter 0.27 in Material Bronze Overall Length 24 in Grounding Braid Width 22/25 in Hole Center to End 1.3 in Number of Holes 1 Standards NEMA FB-1 UL467 Tongue Length 1 61/100 in Tongue Style Standard Tongue Thickness 0.47 in Tongue Width 63/100 in Weight 1 gauge