Features: 20mm vertical puncher tool streamlines paper organization with its rapid 5 hole punching mechanism, boosting efficiency by 3x compared to manual hole punchers. Precise engineered with a smooth ball bearing systems and aluminum alloy construction, this desktop hole puncher delivers consistent 6mm perforations while resisting wear from frequent use. Designed for students, teachers, and office professional requiring reliabled document preparation tools for daily assignments, reports, and filing tasks. Compact 15x8cm vertical woodworking tool fits seamlessly on desks for quick hole punching in classrooms, home offices, or corporate settings without workspaces clutter. Ergonomic handle reduces operating force by 50%, paired with reinforced ABS stainless steel structure for long lastingly durability across intensive paper crafting and light woodworking projects. Specifications: Component: Aluminum alloy Size: 15x8x7cm/5.9x3.14x2.75inch Type:19mm/20mm Desktop vertical hole puncher-(opening tool diameter 19mm)/Desktop vertical hole puncher-(opening tool diameter 20mm) Applicable scenarios: wood processing, board hole drilling Package Includes: 1 Set Vertical Puncher Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.