Features Dual Mounting Holes; Our Two Hole Copper Compression Lugs are made of High-Conductivity Seamless Electrolytic Copper; Uniform Bright Electro-Tin Plating resists corrosion, reduces contact resistance and maximizes conductivity; Long Barrel Accomodates Multiple Crimps; Crimp Marks indicate Proper Crimp Locations; Compression Lugs are Marked with Die Index and Color Codes for easy identification; UL 486A Listed; Listed for 35KV when properly installed; cULus Listed; Wire Range - 2 Str.; Stud Size - 3/8; Hole Spacing - 1; Color Code - Brown; Barrel Length - 3.07 in.; .