Makita T-01373 38 Piece Impact Drill-Driver Bit Set Description Product Description T-01373 Features: -Driver drill accessory set.-Works with all drill drivers and impact drivers.-Precision 135 deg, split point prevents drill bit from walking.-bits.-38 piece set. Includes: -Includes 1 magnetic bit holder, one 1/4'' hex to square adapter, two magnetic nut drivers at 1/4'' and 5/16'', four hex shank drill bits at 1/16'' and 1/4'', twenty-one assorted 1 insert bits, six assorted 2 driver bits, and three assorted 3.5 driver. Color/Finish: -Black oxide finish resists corrosion and extends drill bit life.-Black oxide finish stays sharper longer. From the Manufacturer Makita's new 38 drill and driver accessory set is compatible with all drills and impact drivers. It has a black oxide finish which resists corrosion and extends bit life. The black oxide finish stays sharper longer.