Made of chrome-alloyed tool steel, burnished for fast, burr-free punching of round holes. The operation of the pressure screw is done by means of a spanner. It features three cutting edges with positive cutting edge geometry, suitable for pipes and screwed connections with PG thread and sanitary fittings. The 3-point gate allows for material thickness up to 4 mm, and the pull screw has a metric fine thread. This tool is suitable for steel sheets, stainless steel sheets, non-ferrous and light metals, and plastics. It is ideal for switchgear manufacturers, electricians, plumbers, and the industry and trade. Punch thin-walled materials quickly, effortlessly, cleanly, and burr-free in just a few steps. Additional technical features include a burnished surface, application for pipes and screw connections, and material made of tool steel.