Without plastic collar Wire end ferrules ensure the long term quality of electrical connections Another advantage is their usefulness during installation The wide range of products embraces wire end ferrules with or without plastic collars and twin wire end ferrules in all the colors normally required by users Specifications Barrel Size 11 mm Dia Conductor Size 2 AWG Conductor Type Copper Dimensions 25 mm W Finish Tin Plated Length 25 mm Material Copper Specifications 25 mm L Stripping Type Non-Insulated