Clamping force, using the principle of labor-saving bearing, quick and smooth opening, die-casting of alloy steel, high hardness and effortless cutting Bearing design, light and labor-saving, mechanical and labor-saving design, get the result with half the effort when working Punching has never been so simple, and punching with high-hardness alloy punches is effortless handle, comfortable and design is not tired for a long time Different scenes have different choices, the portable model is suitable for one-handed, and the labor-saving model is suitable for two-handed, Manufacturer: Tsophreniq