Feature: 1. Using the principle of leverage, labor saving punching, 20 sheets of copy paper can be punched easily with one hand. 2. Innovative design, the ruler can be moved, convenient and fast to adjust the position of the positioning block. 3. Two way body jack, the ruler can be left and right, easy to install, start drilling from different directions. 4. All metal body, incisive edge, sturdy and durable, simple design, easy to use, no complicated procedures. 5. Paper scrap collection device, keep clean after punching, easy to clean, can be widely used in office life scenes. Specification: Item Type: Paper Hole Punch Material: ABS，Iron Number of Punched Sheets: 20 Sheets Punching Diameter: Approx. 6mm / 0.2in Paper Feeding Depth: Approx. 12mm / 0.5in Adjustable Hole Distance: Approx. 15-80mm / 0.6-2.1in. Package List: 1 x Paper Hole Punch1 x Ruler Note: The ruler must be installed to the end.