Premium Quality: The book repairer is made of high quality wood, sturdy and durable, the surface is polished smooth and burr-free, 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: Binding base: 215x90x54 mm/8.46x3.54x2.13Inch, V-bracket: 65x250x62 mm/2.56x9.84x2.44Inch, 7 mm thickness; perforated V-binding guide: 220x21x12.5 mm/8.66x0.83x0.49Inch, 3 mm thickness. Refer to picture for details. 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.