The KNIPEX Revolving Punch Pliers (Model 90 70 220) are precision tools designed for punching holes in leather, textiles, and plastic materials. They feature six interchangeable punches with diameters of 2.0, 2.5, 3.0, 3.5, 4.0, and 5.0 mm, allowing for versatile hole sizes. The punches are made from special tool steel and are oil-hardened, ensuring durability and sharpness. The pliers are red powder-coated, providing reliable protection against rust. An opening spring and locking device enhance convenience and safety during use. The overall length of the pliers is 220 mm, and they weigh 251 grams.