A power tool (10) having a housing (32), a blade assembly (12), a drive assembly within the housing (32) for driving the blade assembly (12), and a cover (38) that is coupled to the power tool (10) and is movable between at least two positions, wherein the blade assembly (12) is fixedly retained by the power tool (10) when the cover (38) is in a first position and is detachable from the power tool (10) when the cover (38) is in a second position and wherein the cover (38) has tool-less means (60,62,74) for coupling the blade assembly (12) to the cover (38) when the cover (38) is in the second position.
