Full Technical Description: Seamless Tin Plated Copper Material; Purple Color; 3-1/4 Inch Overall Length; 1 Inch Barrel Length; Copper Conductor Material; UL Approval; 35 kV Voltage Rating; 4/0 AWG Stranded Conductor Size; 3/8 Inch Stud Size; T-15 Die Index; 1-13/16 Inch L X 1 Inch W X 9/64 Inch Thk Pad Size; 2 Pad Hole(S); 1 Inch Pad Hole Spacing; PENN-CRIMPS[R] Brand; With Inspection Window; BLU Model