Features: 1. Application scope is mainly used in leather punch deep processing industry, such as handbags, bags, belts, DIY hand-made leather goods. 2. Hollow punch set for precise holes in leather or plastic heat-hardened, high carbon steel construction for long lasting sharpness and durability. 3. Simple and easy to operate, let your efficiency improve. 4. 5mm-35mm size can be selected. 5. Flat bottom to avoid miss the object when punching. Specifications: Material: High-carbon Steel Total Length: 100-110mm / 3.94-4.33inch Blade Width: 4mm / 0.16inch Color: As shown in the picture Optional Size 5 x 4mm 6 x 4mm 7 x 4mm 8 x 4mm 9 x 4mm 10 x 4mm 11 x 4mm 12 x 4mm 13 x 4mm 14 x 4mm 15 x 4mm 16 x 4mm 17 x 4mm 18 x 4mm 19 x 4mm 20 x 4mm 21 x 4mm 22 x 4mm 23 x 4mm 24 x 4mm 25 x 4mm 26 x 4mm 27 x 4mm 28 x 4mm 29 x 4mm 30 x 4mm 31 x 4mm 32 x 4mm 33 x 4mm 34 x 4mm 35 x 4mm Weight: Approx. 34-332g Package Included: 1 x Leather Craft Hollow Steel Punch Tool