Versatile Hole Puncher -- Adjustable Screw Hole Punch Leather Tool Paper Punch Craft Punches Bookbinding Tool. Ideal for use on a variety of surfaces, such as leather, belts, plastic, rubber, canvas, fabric, cardboard, saddles, and similar materials; especially useful as a leather hole punch. 6 Replaceable Tips -- Equipped with 6 different punch tip sizes, which is perfect for home hobby or commercial use. Hole size dimensions: 2mm, 2.5mm, 3mm, 3.5mm, 4mm and 4.5mm. Tapers are solid and sharp to meet the maximum demand and effortless use. Efficient & Labor Saving -- Automatic Hole Punch, No More Hammering. Spin action for rapid hole cut and provide a neat and smooth hole. Using with a cutting mat for long lasting blade. No hammering nedded. Ergonomic Design -- High strength wooden handle with ergonomic curve design, comfortable and firm grip. Compact design suit for one hand grip lightweight easy for carry on. Excellent Product Performance -- One hand operation create stronger punches, with convenient spring tension gives superior power and comfort, fits your palm and allows for maximum force output.