A surgical stapler is described herein which includes a shaft portion and a tool assembly suppored on a distal end of the shaft portion. The tool assembly includes an anvil and a cartridge body which rotatably supports a plurality of staples within notches. At least one firing cam is provided to stequentially to engage and rotate each of the staples to fire the staples from the cartridge body. Each of the staples includes first and second legs axially offset from each other and interconnected by an intermediate portion. At least one firing cam is provided to sequentially to engage and rotate each of the staples to fire the staples from the cartridge body. The at least one firing cam includes axially offset cam members.
