Full Technical Description: Seamless Tin Plated Aluminum Material; Black Color; 6-11/32 Inch Overall Length; 2 Inch Barrel Length; Aluminum/Copper Conductor Material; UL Approval; 35 kV Voltage Rating; 600 MCM Conductor Size; 1/2 Inch Stud Size; T-473 Die Index; 3-7/32 Inch L X 1-31/32 Inch W X 32/64 Inch Thk Pad Size; 2 Pad Hole(S); 1-3/4 Inch Pad Hole Spacing; PENN-CRIMPS[R] Brand; BLUA Model