Esselte 73121 Staple Cartridge Refill, For 5025E, 20 Sheet Capacity, ESS73121, ESS 73121, Staple Cartridge is designed for use with Rapid 5050 Stapler, 5020e Electric Stapler and 5025e Superior Cartridge Electric Stapler. Staples up to 1,500 times without reloading for maximum efficiency. Staples have 23/64" crown and 5/32" leg length. Staple cartridge staples fasten up to 20 sheets. UPC Code 078787731219, Quantity 2/BX