One of America's top-selling manual desktop staplers: simple, accurate, reliable and strong. Metal construction, inner rail and positive locking latch make this stapler especially durable, while minimizing jamming and ensuring that staples are aligned. The 747 staples up to 20 sheets at a time and opens flat, allowing you to post papers instantly to a bulletin board or similar tackable surface. Reversible anvil enables pinning: by turning the anvil you can create a pin staple with legs that point out so it can be removed without a staple remover, without tearing posted materials. Backed by a 100% Performance Guarantee when used with Swingline S.F. 4 Premium Staples.