Sheath steel frame wall panels from 6′-9″ to 12′-3″ in height on system squaring table via foot pedal control, up to 16′ in length, with up to 18″ top/bottom sheathing overhang. Steel material thickness from 4″ to 8″. Power driven tool bridge with auto return includes pendant control for bridge functions. Tools (24 Grabber SuperDrive screw guns included) mounted at 6″ O.C. spacing with 3″ offset shift and pop-up conveyors for easy handling. 120 volt electrical required.