The versatile heavy duty staplers allows up to 210 sheets of paper stacks. Special loading compartment and changeable anvil grooves allow a wide range of staples to be used. They are perfect for office use and ideal for binding reports, booklets and presentations.. The symbol of office supplies, the desktop stapler is one of KW-triO's most passionate and proud accomplishments.. KW-triO's versatile heavy duty stapler allows up to 210 sheets of paper stacks. The heavy duty stapler are perfect for office use. KW TRIO 50LB Heavy Duty Stapler. 200 Sheet Capacity. Troat Depth: 70mm. Uses 23/6 to 23/23 staples. Categories: Heavy Duty Staplers, Staplers and Punches. Kw-Trio stapler heavy duty 50Sa Disclaimer: photos may differ from actual appearance of products. Additional photos may be provided upon request. The symbol of office supplies, the desktop stapler is one of KW-triO's most passionate and proud accomplishments. Our dedication to this product line can be seen by the indepth range on offer. Stapleless Staplers, Long Reach Staplers, Ultra Lavish Chrome Plated Staplers. We definitely love our staplers.