A disposable loading unit includes an end effector that has an anvil, an elongate channel, and a staple cartridge removably coupled to the elongate channel, wherein at least one of the anvil and the elongate channel is movable to capture tissue between the anvil and the staple cartridge. A connector portion extends proximally from the end effector, wherein the connector portion comprises a hollow body defining a longitudinal axis therethrough. The hollow body includes a first body portion on a first side of a plane transecting the hollow body, wherein the plane encompasses the longitudinal axis. The hollow body also includes a second body portion on a second side of the plane, and a plurality of connectors, including first and second connectors protruding from the first body portion, and third and fourth connectors protruding from the second body portion.