5 pcs Professional Screw Extractor Set, DAmaged Screw Extractor, High Speed Steel, Bolts And

【High Speed Steel】The screwdriver is made of high speed steel, which has high hardness and is not easy to rust. After all the heat treatment, it has high wear resistance and is more durable. 【APPLICATION】The screw extractor kit has two drills. First, use the small head to open a hole in the screw (as deep as possible), then set the extractor on the other end, turn it to remove the screw. Generally, the harder the material, the lower the rotation speed of the drill. The hexagonal handle is suitable for hand drills. They are perfect for home use, woodworking, automotive industry or mechanical repairs. 【Suitable Size】The screw extractor kit has 5 sizes: No 0 can hold 1-4mm/0.04-0.16in screws, No. 1 for 3-5mm/0.12-0.2in, No. 2 for 4-8mm/0.16-0.31in, No. 3 for 5-10mm/0.2mm 0.39in, No. 4 for 6-14mm/0.24-0.55in Package Contents: The package contains 5 screwdrivers for different needs They can be used for most common steel and iron screws or bolts. Please note that the screw is difficult to drill if it is made of stainless steel..