The Advanced Half-Strip Stapler features a brand new high performance magazine, metal pull tab and anti-jamming system for years of hard use! Professional, heavy duty metal stapler opens flat for easy staple loading and anti-slip base has a built-in compartment that holds 2 staple bars. Pins, tacks and staples up to 25 sheets of paper with standard 26/6 staples and features a 5 year guarantee!