Material: Wood and Metal Aperture: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm Handle size: approximately 13cm x 2.5cm Suitable for paper, cardboard, leather, plastic, etc. Package content: 1 leather screw hole. Product description: This hole punch is perfect for sewing leather, paper, rubber, plastic, fiber, felt and more. Features: Automatic punching machine without hammering. New Design - Spin Action. Widely used in sewing, leather crafts, paper crafts, printing, etc. instruct: --1. Hold the punch at 90, aligned with the hole. --2. Hold the handle and press firmly; rotate the punch to cut the leather. --3. Remove the punch, the skin will tear off automatically. Installation Guide: Unscrew the nut, install the punch and screw the nut. content: 6 in 1 hole punch. Comment: Size shown may vary by 1-3mm due to manual measurement. 2. Due to your monitor's display settings, the actual color of the item may be slightly different from the picture. Thank you for your understanding.