Great for DIY Crafts - This hole punch is great for sewing leather craft, kraft paper, rubber and slim plastic. Practical Screw Hole Punch - The sound causing by the automatic hole punch is slighter than the traditional hole punch. Much more convenient to use.- The sound causing by the automatic hole punch is slighter than the traditional hole punch. Much more convenient to use. 6 Size Punch Head - Come with 6 size of punch head replacement. 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm and 4mm. Enough size to meet your different requirement. Premium Material - The handle of the screw hole puncher is made of wood. Smooth and comfortable to hold. The connecting rod is made of brass, and the tip of the hole punch is made of steel. Durable and sturdy to use. Widely Usage - This screw hole punch tool is widely used in sewing crafts, leather crafts, paper making crafts and printing crafts. Practical accessories for craft project. Using Instruction: 1. Remove the top screw of the connecting rod. 2. Install the required size of punch, then tighten the screw to fix the punch. 3. Fix the leather material, and keep the punch 90, and aiming at the drilling position. 4. Take up the punch, the leather scrap will be spitted out automatically. Specifications: Color: Burlywood Material: Brass + Steel + Wood Size of 6 Punch Tip: 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm and 4mm Package Includes: 1 x Screw Hole Punch 6 x Punch Head Replacement - 1.5mm Punch Head - 2mm Punch Head - 2.5mm Punch Head - 3mm Punch Head - 3.5mm Punch Head - 4mm Punch Head