Unprecedented stapling flexibility -- handles 2 - 60 sheets of paper with one staple size! Unique design requires 30% less stapling effort. All-metal die-cast body. 2 1/2" throat depth. Open channel loading of a full strip (125) of 3/8" high-capacity staples. 100% Performance Guarantee?Guaranteed to perform at the highest standards for the life of the warranty (assuming normal product usage) or Swingline will replace the product. Manufacturer's limited lifetime warranty. All sheet capacities are based on 20-lb. bond. Stapler Type: N/A; Staple Capacity: 125; Full Strip; Size of Staple Used: 3/8 in; Type of Staple Used: High Capacity.