Heavy-Duty Staple Cartridge, 0.5" Crown, Steel, 5,000/box

The Patented blade system incorporates the stapler's driver blades into the cartridge. The most crucial wear parts for the stapler are than replaced every time you change cartridge. Staple Collation: Cartridge; Staples per Strip/Cartridge: 5,000; Sheet Capacity: 90; Crown Size: 0.5".