a powered screw gun having a magazine for storage of screws . the housing of the gun is arranged to provide a broad , flat base which rests on the work piece receiving screws , and two arms or towers projecting perpendicularly from the flat base . a handle is slidably mounted on the two arms . when the handle is depressed , or moved towards the flat base , a screw driver blade moves in tandem therewith . a return spring returns the handle to the original position . a pneumatic shock absorber prevents excessively abrupt return of the handle . a motor located in a fixed location remote from the blade rotates the blade by a drive train which accommodates projection of the blade towards and away from the work piece . the bit of the blade is removable , and held in place magnetically . the switch for reversibly operating the motor is carried on the movable handle . indicia indicates the position of the blade and a screw being driven , which screw is concealed within the housing .