22Pcs 33Pcs Screwdriver Remover Disassemble Screws Teeth Damaged Extractor Bolt Specifications: Material: High-Speed Steel 4241 Size:Dr01,Dr02,Dr03,Dr04,Dr05,Dr06,Dr07,Dr08,Dr09,Dr10 Ex01,Ex02,Ex03,Ex04,Ex05,Ex06,Ex07,Ex08,Ex09,Ex10 Features: 1. High hardness, make drilling easier and faster. 2. The stripped screw extractor kit is includes 20 pieces of stripped screw extractor in 10 different sizes to satisfy all you demand. Suitable for any sizes screw or bolt. 3. Suitable for allen bolts, machine screws, lag bolts, wood screws, hex bolts, sheet metal screws and other screws. Instructions: Step 1: Use an extractor smaller than the diameter of the screw to reverse the opening on the screw (as deep as possible), Step 2: Then insert the corresponding large screw head into the deep hole, Step 3: Turn counterclockwise to remove the screw. Package List: 20 * Damaged Screw Extractor(Ex#1 - #10, Dr#1 - #10) 1 * Magnetic Extension Bit Holder 1 * Socket Adapter Tips: - Must drill a hole first when the break screw surface is smooth. Otherwise the drill bit will slip. - Must be vertical and low speed when drilling, reverse use this bit, drill the first hole deeper will easier to take out. - It is best to use electric hand drill, can not be used the hammer drill mode! Must be low speed during use! Buy now to send a titanium plated Phillips screwdriver, the length is 25mm, the material is S2.