Full Technical Description: Seamless Tin Plated Copper Material; Blue Color; 3-5/16 Inch Overall Length; 1-3/16 Inch Barrel Length; Copper Conductor Material; UL Approval; 35 kV Voltage Rating; 400 MCM Conductor Size; 5/8 Inch Stud Size; T-19/T-470 Die Index; 1-7/16 Inch L X 1-13/32 Inch W X 3/16 Inch Thk Pad Size; 1 Pad Hole(S); Belled Barrel Type; PENN-CRIMPS[R] Brand; With Inspection Window; BLU Model