Notch plier for sheet metal, Notch groove pliers, Handles: Plastic-coated, 82032000, 1 pc(s), 2.866 lbs, 4028177809017, Punches anti-twist lock notch easily and quickly. Saves the time-consuming filing of notch for push-buttons, switches and instruments. Notch sizes of 3.2 mm and 4.8 mm possible.