Full Technical Description: Butt Type; Annealed Tin Plated Electrolytic Copper Material; 1.8 Inch; 1.8 Length in Inch; 0.425 Inch Max. Insulation Diameter; UL Approval; 6 AWG (Copper) Conductor Size; Vinyl Insulated Insulation Type; 0.226 Inch Barrel Inner Diameter; Penn-Crimps. Brand; Length in Inch - Uom in; B Model