Full Technical Description: Seamless Tin Plated Copper Material; Brown Color; 3-9/16 Inch Overall Length; 1-3/8 Inch Barrel Length; Copper Conductor Material; UL Approval; 35 kV Voltage Rating; 500 MCM Conductor Size; 5/8 Inch Stud Size; T-20/T-299 Die Index; 1-7/16 Inch L X 1-17/32 Inch W X 7/32 Inch Thk Pad Size; 1 Pad Hole(S); Belled Barrel Type; PENN-CRIMPS[R] Brand; With Inspection Window; BLU Model