Office essential staples up to 15 sheets. All-metal with floating channel mechanism. Non-skid base. 3 1/2" throat depth. Loads a full strip (210) of standard staples. Manufacturer`s limited one-year warranty. All sheet capacities are based on 20-lb. bond. Stapler Type: N\A; Staple Capacity: 210; Full Strip; Size of Staple Used: 1/4 in; Type of Staple Used: Standard.