Remove stripped and rusted screws with ease - With our dynamic set of extractor bits, removing stripped, painted, rusted or rounded screws and bolts has never been easier or more effective! High Quality HSS - This screw extractor set is made of high speed alloy steel (HSS 4341), which is sturdy, durable and has excellent hardness of HRC. Ease of use - Use a drill to drill a deep hole in the screw head, then turn the screw extractor counterclockwise to the damaged screw, finally remove the damaged screws, it is more convenient than a double-sided screwdriver, not need to change up and down. Package includes - You will receive 6 stripped screw extractors in 5 different sizes, packed in a black storage box. Wide application - The screw extractor kit is for tools that require the removal of screws, including bolts in applications cations of wall panels, wood and sheet metal. Suitable for the most common drill bits and screws or bolts of any size. 5 Piece Screw Extractor Kit HSS 4341 #0 HSS 4341 #1 HSS 4341 #2 HSS 4341 #2 HSS 4341 #3 HSS 4341 #4 * The speed and direction of the drill can be changed. * Damaged screws can be easily removed and removed by turning counterclockwise. * Easy to remove rust, damage the screw, don't worry. Instructions for use: 1. Need an electric hand drill. 2. First remove the drill and make a hole in the damaged screw, the speed should not be too fast. The deeper the hole, the higher the success rate (counterclockwise rotation). 3. Drill a deep hole in the head of the screw with a drill, then turn the screwdriver counterclockwise until the screw is broken until it is released.