This arch punch set has a length of four inches. It features inside taper for clearance. In addition, it is made of steel, has a SAE measurement type, and is not tether ready with a plain grip. This arch punch set is designed for: canvas, cardboard, gasket material, leather, plastic, rubber, sheet metal, soft materials and includes 1 inch, ½ inch, ¾ inch, ⅜ inch, ⅝ inch, ⅞ inch, hole diameters:¼ inch, plastic r and more, 7 pieces.