Full Technical Description: Butt Type; Annealed Tin Plated Electrolytic Copper Material; 0.57 Inch; .57 Length in Inch; UL, CSA Approval; 22 to 18 AWG (Copper) Conductor Size; Non Insulated Insulation Type; 0.07 Inch Barrel Inner Diameter; Penn-Crimps. Brand; Length in Inch - Uom in; B Model