Adjustable hole spacing: The three-hole punch features adjustable hole spacing (54mm-90mm) and flexible margins (5-30mm), accommodating diverse binding needs for formal documents, files, and bidding materials, ensuring professional archiving. Efficient design: Capable of punching up to 200 sheets of A4 paper at once, the lever-based design allows for comfortable operation and effortless handling during continuous and heavy use. Precise positioning: Equipped with a clear grids ruler and movable backplate for accurate hole placement, the adjustable distance between holes (60-108mm) and front-to-back margin (5-30mm) ensures precise drilling. Durables construction: Built with rust-resistant technology for lasting durability, this paper punch features an integrated scrap box to collect paper waste, keeping your workspace tidy. Its dimensions are 550 * 378 * 360mm with a weight of approximately 10kg, designed for long-term office use. Versatile functionality: This multi-functional device combines punching and trimming, making it suitable for various settings such as offices, homes, and print shops, ideals for document organization, binding, and manual production.