Materials: wood and metal Hole diameter: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm Dimensions size of handle: approx. 13 x 2.5 cm Ideal for paper, cards, leather, plastic, etc Package content: 1 screw punch /tool for automotive leather Product Description Product Description: This screw puncher is ideal for sewing leather, paper, cutting rubber, plastic, fiber, felt and cutting. Features: Automatic hole punch, no more hammering. New design : rotary action. Widely used in sewing, leather crafts, paper crafts, printing, etc. Instructions: –1. Keep the punch at 90°, aiming at the drilling position. –2. Hold the handle and press firmly. Turn the awl to cut the leather. –3. Take the punch, the leather will be spit out automatically. Installation guide: Unscrew the nut, install the punch and screw the nut. Contents: 6 in 1 hole punch set Note: Since measurement is taken by hand, sizes shown may vary by 1-3mm. 2. The color may be different from the actual item due to your monitor display. Thank