EFFICIENT 10-HOLE PUNCHER:Our 10-hole binding machine punches up to 10 sheets at once, but we recommend it is much more comfortable trying to punch 6 or 7 sheets at a time, perfect for planners and binders. The hole spacing of 0.37inch (9.5mm) and 0.22inch (5.5mm) hole diameter, not support 4:1 Pitch Coils TRIMMABLE SPIRAL BINDING COILS:Includes 10 spiral binding coils (2 pink, 2 mint green, 2 white, 4 translucent). Coils hold up to 75 sheets and are trimmable to fit various paper sizes PRECISE HOLE ALIGNMENT FOR BINDING:Equipped with a positioning post, this binder machine punches 26 holes in b5, 30 holes in a4, and 20 holes in a5 paper DESIGN FOR EASY USE: Featuring precision punching heads, this binding machine also includes a bonus blue opening zipper, making it easy to open the binding coils when refilling or changing paper. The machine's bottom is designed to collect paper scraps, helping to keep your workspace tidy FOR CREATIVE PROJECTS: Our 10-hole punch is compact and pocket-sized, perfect for a variety of uses. Customize your planner and notebooks, and it's also great for DIY crafts, scrapbooking, school projects, and home organization. An excellent choice for any "basic home office" it's ideal for personal or family use Color: Grey / Purple / Blue / White Material: Metal+Plastic Package Contents: 1 * 10 Hole Punch Binding Machine 10 * spiral binding coils (2 pink, 2 green, 2 white, 4 translucent) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.