Key notch for electrical push buttons, 22.5mm or 30mm hole.
Easy and quick punching of notches in sheet metal up to 3mm thickness
No time-consuming filing of the notches for twist guards of push buttons, switches and instruments
Can notch 3.2mm or 4.8mm (by turning the punching head 180 degrees)
Long tool-life due to both punch & die are made of hardened tool steel
Easy punching due to high lever transmission; plastic-laminated handles
Weight; 1.3kg
Punch to be inserted in the pre-punched opening, to be adjusted and pressed against the edge of the drill hole; actuate the pliers now and you have a cleanly punched notch.