Full Technical Description: In Line Type; 2.91 Inch L X 0.78 Inch W X 1.31 Inch H Size; 14 AWG Solid min. Conductor Size; 1/0 AWG Stranded Max. Conductor Size; Aluminum/Copper Conductor Material; UL, CSA Approval; Aluminum Alloy Body Material; Non Insulated Insulation Type; 2 Screw(S); IISR Model