The notch puncher weighing 1.3 Kg can easily punches notches of 4.8 and 3.2 mm in metal sheets of 2.5 mm thickness. It is inserted into the pre-punched opening, which is aligned to the cross-hairs marking and then the pliers is actuated.It thus avoids the filings of grooves for anti-twist which is quite time-consuming. The tool life provided is quite long because die and punch are made of hardened tool steel. Easy punching is offered due to large leverage. The handgrips are coated with plastic.