Item Type: Heavy‑Duty Stapler Material: ABS+Iron Function: An Efficient Helper in the Office for Binding 190 Pages at a Time, a Heavy-Duty and Labor-Saving Stapler, Which Can Save Effort when Used Product Size: Approx. 30.7 x 27.8 x 8cm / 12.1 x 11.0 x 3.1in (Manual Measurement, There May Be Slight Errors) Number of Binding Pages: 190 Pages Adapt to the Needle Type: 23/6, 23/15, 23/17, 23/8, 23/13, 23/10, 23/20, 23/23 Paper Feeding Depth: Approx. 61mm / 2.4in 1、Adjustable paper positioner, precise binding, and can staple 190 sheets to meet your high‑capacity binding needs.  2、Designed with an all-metal structure and designed to provide long-lasting service, the heavy-duty desktop stapler can meet the needs of fast working places.  3、Anti-pinching baffle design, the protective baffle device protects the user without pinching hands.  4、Magazine type, needle slot, only need a light press to automatically eject the needle track, saving time and effort.  5、Ergonomic design and pressure rod structure reduce the burden of binding during use and save effort.