Package Include -- Inluding 1 pc wooden book binding guide with scales, size is about 121.30.8 inch/30.43.252cm, hole: 3mm. Great workmanship and clear scale ensure accurate placement of binding materials for professional looking results every time Versatile Compatibility -- Compatible with various binding methods, including coil, comb, and wire binding. Adjustable the width and spacing of your bindings to suit different project requirements Durable Construction -- Made from natural wood materials for long lasting durability and reliability. Compact and lightweight design allows for easy storage and transport, perfect for crafting on the go Enhance Creativity -- Empower your creativity and bring your ideas to life with professionally bound books and documents. A must-have for DIY enthusiasts, teachers, and professionals involved in bookbinding projects Easy to Use -- Simply fold the paper in half and insert it into the cradle so that the holes can be punched at equal distances, which helps to accurately align the holes and hole spacing on the paper and improve your work efficiency