Extend your limits with the greater capacity of this solid and reliable heavy duty stapler. Powerfully staples up to 160 sheets of 20 lb.paper - for added project efficiency. Durable all-metal working components. Full 2¾" throat depth for flexibility and control. Soft touch materials for stapling comfort. Uses Swingline® Series 353 heavy duty staples: 3/8", ½", and ¾" leg lengths. Limited lifetime warranty.