Tackle damaged screws, studs, and bolts with ease using our Bolt Extractor Kit. This efficient set includes screw extractors and left-handed drill bits, ideal for stubborn bolts and damaged fasteners. The helical grooves in the left-handed drill bits ensure efficient chip evacuation, resulting in faster drilling. Crafted from high-speed steel with a titanium-plated finish, these bits are durable and prevent further tightening. Conveniently stored in a labeled metal box, this comprehensive set of 5 screw extractors and 5 left-handed drill bits caters to various applications. Specification: Item Type:Screw Extractor Drill Bit Size:5 or 64in 7 or 64in 5 or 32in 1 or 4in 19 or 64in Screw Extractor:1 2 3 4 5 Package List: 5 x Drill Bit 5 x Screw Extractor Note: When using, choose a drill with appropriate specifications, drill a small hole in the center of the bolt cross section, then insert the puller into the small hole, and then use the tap wrench or adjustable wrench on the square end of the puller, and Rotate counterclockwise to remove the bolts that are damaged in the machine and equipment. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.