Full Technical Description: In Line Type; 5.25 Inch L X 1.5 Inch W X 2.56 Inch H Size; 2 AWG Stranded min. Conductor Size; 500 MCM Max. Conductor Size; Aluminum/Copper Conductor Material; UL, CSA Approval; Aluminum Alloy Body Material; Non Insulated Insulation Type; 2 Screw(S); IISR Model