RAYSON Comb Binding Machine, 400 Sheets, 21 Hole, A4, SD 220B

High Efficiency: Achieves up to 400 sheets of binding capacity using a 51mm binding comb; capable of punching 22 sheets at once Heavy Duty in Design: Solid metal construction ensure a long-lasting usage in office, school, or home; Designed to punch 21 rectangular holes, each measuring 3 x 8 mm, perfectly suited for A4 paper size Customizable Binding Functionality: The SD-220B boasts 1-21 disengageable dies, empowering users to precisely control the hole punching positions and thereby create various customized binding layouts Effortless Operation & Time-Saving Design: Equipped with dual-purpose handles for both punching and binding, the SD-220B ensures ease of use and streamlines the process; This efficient design not only delivers a professional finish to your documents but also saves precious time and cost With Accessories: Includes binding combs for binding 10-20 documents