The 747 Classic Stapler with performance driven stapling mechanism and inner rail always delivers jam-resistant, accurate stapling. Metal construction with die-cast base provides maximum durability. Staple as many as 30 sheets at a time. This stapler easily flips open for tacking ability. Anvil rotates for pinning ability to create temporary staples. Positive locking latch secures staple position. Use with Swingline Premium Staples to ensure high performance.