Full Technical Description: Seamless Tin Plated Aluminum Material; Blue Color; 5-5/16 Inch Overall Length; 1-1/2 Inch Barrel Length; Aluminum/Copper Conductor Material; UL Approval; 35 kV Voltage Rating; 300 MCM Conductor Size; 1/2 Inch Stud Size; T-470 Die Index; 2-29/32 Inch L X 1-3/8 Inch W X 3/8 Inch Thk Pad Size; 2 Pad Hole(S); 1-3/4 Inch Pad Hole Spacing; PENN-CRIMPS[R] Brand; BLUA Model