Features Made of high-hardness aluminum alloy, durable, wear-resistant, and not easily deformed. The is anodized, not easy to rust, and has good corrosion resistance. The two claws can quickly fix the punching center, and the maximum thickness of the punching is 46mm. The hand-held hole punch is used to punch holes in boards and edges to facilitate the splicing of the wood. Carpentry drilling accessories, high drilling accuracy, is a good helper for woodworking. Feature: 1. Made of high-hardness aluminum alloy, durable, wear-resistant, and not easily deformed. 2. The is anodized, not easy to rust, and has good corrosion resistance. 3. The two claws can quickly fix the punching center, and the maximum thickness of the punching is 46mm. 4. The hand-held hole punch is used to punch holes in boards and edges to facilitate the splicing of the wood. 5. Carpentry drilling accessories, high drilling accuracy, is a good helper for woodworking. Specification: Condition: 100% Brand New Item Type: Hole Guide Material: Aluminum Alloy Drill Sleeve Size: Approx. 6mm / 0.24in, 8mm / 0.31in, 10mm / 0.39in Uses: Hand-held hole punch is used to punch holes in boards and edges for splicing. Package List: 1 x Hole Guide 3 x Drill Sleeve Package List 1 x Hole Guide 3 x Drill Sleeve