Premium Quality: The book repairer is made of high quality wood and acrylic , sturdy and durable, the surface is smooth and comfortable to touch without hurting your hand, easy and safe to use. Practical Tool: The hole-punching tool is designed to make it easier for you to punch holes in the text paper you need to collect, which allows the holes to be evenly spaced and prevents them from being punched crooked. Size reference: Acrylic tool: 277x27x2mm/10.9x1x0.078", hole: 6mm & 2.5mm, 1pc; Wood tool: 278x40x12mm/10.9x1.57x0.47", hole: 5mm & 3.5mm, 1pc; Screw: 12.5x10mm, pin: 6mm, 2pcs. Easy to Use: The holes on the hole punching guide are evenly distributed for easy identification, allowing you to focus on book binding and save time. Widely Used: The book binding kit can not only be used to bind books, but can also be used to punch holes in fabric or leather material fabrics, which can be used to make sample kits, suitable for bookbinding DIY.