High quality materialsTool for removing defective screws is made of HSS. High hardness, reusable, high efficiency, durable and high temperature resistant, allowing you to remove damaged screws and bolts. Change inserts of any choice: screw removal kit contains 20 extractors of different sizes, 1 adapter and 1 elongated screwdriver head holder, and change the extraction inserts at will without wasting time and effort. Multi-useThe screwdriver is suitable for most screws, for example: Allen screws, machine screws, pull screws, wood screws, hex screws, self-tapping screws and other screws. Smart DesignWith an extension bracket and a base adapter, separate bit polishing and extraction allow for occasional bit changing without turning over, timeless and effortless for work. After-sales ServiceIf you don't are not 100% satisfied with this item, simply send us a message and we will send you a replacement or a full refund. Product Description Color: see photo. 10 drill bits (Dr 1, 2, 3, 4, 5, 6, 7, 8, 9, 10) Pack of 10 extractors (Ex 1, 2, 3, 4, 5, 6, 7, 8, 9, 10). Package dimensions: 13 x 10 x 3.3 cm. Package includes: 10 x 1 10 drill bits. 10 x 1- 10 size extractors . 1 magnetic bit holder. 1 socket adapter.