Why you need this binding device Fast, reliable binding for documents, manuals and DIY projects — reduces alignment errors and speeds up repetitive punching. Keeps your workspace clean and safe while delivering consistent hole placement for professional-looking results. Built to handle common paper sizes and binding patterns, so you can use it across office, school and home projects. Key benefits and features Multifunctional compatibility: works with various paper sizes, e.g. A4/30-hole punched, and is suitable for binding loose-leaf books, manuals, homemade photo albums and similar documents. Precise, efficient punching: durable metal blade structure produces sharp, clean cuts. A built-in positioning ruler lets you quickly align paper for consistent results. Capacity and pattern: punches up to 8 sheets at once and produces a 10-hole pattern for secure binding. Clean and safe operation: a plastic-bottom crumb container collects waste for easy disposal and hygiene. A non-slip base protects your work surface and a safety lock prevents accidental operation. DIY-ready design: size, weight, opening positions and other parameters are clearly defined, and the paper feeding depth is optimized for repeatable, accurate results. Performance that matters Durable metal blades maintain sharpness for precise holes. Positioning ruler and defined parameters speed setup and reduce trial-and-error. Waste collection and non-slip base reduce mess and protect surfaces during heavy use. Practical use scenarios Office: Prepare training manuals and reports with consistent hole alignment for comb or ring binding. Education: Teachers can produce multiple classroom handouts and stitched workbooks quickly and cleanly. Home and hobby: Create homemade photo albums, scrapbooks or recipe books with evenly spaced holes and tidy edges. What you get A reliable binding device that combines metal blades, a positioning ruler, a waste collection tray, a non-slip base and a safety lock — designed for accurate, repeatable punching and easy cleanup.