Notched groove pliers - punches notched grooves quickly and easily in 2.0 mm thick sheet steel (ST 37), saves time-consuming filing of the grooves to prevent rotation. Notched grooves in 3.2 mm and 4.8 mm sizes are possible, the notched groove punch is replaceable and has a long service life, as the punch and die are made of hardened tool steel. Easy punching thanks to large leverage - weight 1.3 kg.