Screw extractor set damaged screw drill bit set help to remove screw easily (Gold Tone) EONLION 5 piece screw extractor is made of advanced high speed steel - H.S.S. 4341#. hardness is 63-65hrc. This screw remover tool set can work with different household Electric drills and screwdrivers, and apply to screws or bolts. Great for tripped, broken, damaged, embedded, rusted and painted-over screws and bolts removal. This damaged screw remove kit is the best tool for carpenters, repairmen, contractors, handymen. Screw extractor kit specifications of this screw remover set lightweight and small size for easy carry material: H.S.S. 4341# hardness: 63-65hrc color: Gold damaged screw extractor must have tool -- 5 piece stripped screw remover in Gold color 0# remove diameter 2~3mm 1# remove diameter 3~5mm 2# remove diameter 4~8mm 3# remove diameter 5~10mm 4# remove diameter 6~12mm broken screw extractor stripped screw extractor screw remover and extractor simple to use drill a hole in the designated, and then unscrew with the extractor. Within seconds, you can remove even the most stubborn of screws and bolts from their attachment points with the greatest of ease. Tips these bits are not intended for commercial removal of screws. Place the device in a dry place so that it does not rust. Don't use the impact hammer gear! adjust to the slowest speed, less than 200RPM will be enough. Features comes with a tool box which makes it easy to carry and makes it a thoughtful gift. Features a 2 in 1 drill bit/extractor design compatible with Quick chuck systems. Coated with oil for rust protection.