Full Technical Description: 1-Piece Type; Yellow Color; 12 AWG min. Conductor Size; 10 AWG Max. Conductor Size; UL, CUL, CSA Approval; Nylon Insulated Insulation Type; 0.032 Inch X 0.25 Inch Tab Size; PENN-CRIMPS[R] Brand; Barrel Type Butted Seam; Overall Dimension 0.136 Inch Inner Diameter X 0.97 Inch Length X 0.31 Inch Width; Material Electrolytic Tin Plated Copper Alloy; Includes Brass Sleeve