[Premium Quality] It is made of quality high-speed steel, high strength and durability, which ensures it is sturdy enough to easily remove damaged screws and make your work more efficient. [Versatile Application] This damaged screw kit includes 22 pieces and is composed of 10 different sizes of drills and extractors, which makes it compatible with type of drills and eliminates any type of screws and bolts. [Easy Operation]: Two simple steps to remove all stuck screws or bolts in seconds. Step to choose a drill bit smaller than the damaged screw, step two to use the same size extractor to pull out in reverse, use electric hand drills. [Warm Tips]: Using the electric hand drill and low speed when removing the damaged screw can avoid getting hurt., Weight: 0.38470664719 pounds, Manufacturer: Rtxbvg