SPIN AND DRIVE SET, TOOL TYPE 9 PIECE, APPLICATION QUICK CHANGE FROM DRILL BIT TO DRIVER BIT, MATERIAL ALUMINUM, STEEL, NUMBER OF PIECES 9, FOR USE WITH POWER DRILL, INCLUDES YOKE AND FORK BODY, PHILLIPS STYLE SCREW BITS (#1, #2, #3), DRILLS (#6, #8, #10, #12)