Description: 【Versatile Multi Size Punching】: The A4 Hole Puncher is suitable for A4 (30 holes), B5 (26 holes), A5 (22 holes), and smaller sizes (B6/A6/B7/A7). Great for DIY binding, reports, and study materials 【Sturdy Construction】: The 30 Hole Puncher is made of sturdy plastic and metal components for long term use, with a smooth matte finish that resists wear 【Effortless Push Pull Mechanism】: The A4 Paper Puncher features a sliding design for smooth punching, improving office efficiency with precise 5.5mm holes ( 5 sheets per punch) 【Portable Design】: Nonslip base protects desks; easy to clean debris tray and compact storage (46 cmx5 cmx6.5 cm/18.11 inchx1.97 inchx2.56 inch) make maintenance easily 【Wide Applications】: The Loose Leaf Hole Puncher is ideal for home, office, school, or crafting for handling paper, crafting materials, and documents up to 297mm wide with clear alignment guides Specification: Material: Plastic Metal Punch Diameter: 5.5 mm Paper Feed Depth: 9.1 mm Number Of Punched Sheets: 5 Distance Between Holes: 9.5 mm Size Chart: 46 cmx5 cmx6.5 cm/18.11 inchx1.97 inchx2.56 inch Package Includes: 1 A4 Paper Puncher Note: Please allow slightly errors due to manual measurement and different monitors.