Top stapler R557PN is our Swedish-manufactured R557PN pneumatic roller stapler should be used if loading capacity is a crucial factor. The tool is quickly loaded and light with a roll consisting of 1,000 staples. The tool is equipped with cover caps of engineering plastic providing an extremely low weight; wear parts are made of metal. JK557 staples with leg lengths JK557-15 and 18 mm make tool adjustment easy. Top stapler R557PN is easy to adjust for different stapling depths and has precise (repeatable) stapling and a complete stapling cycle.