Set included 15pcs bolt extractor socket set, 10pcs muti-spline screw extractor set, 10pcs left hand Cobalt drill bit set and 5pcs sprial screw extractor set, solve most of the nuts and screw repair problems in your home or work
.Set is made of high strengthened and durable chrome molybdenum steel, which ensures it is tough enough to easily remove those damaged screws and make your work more efficient
. Each drill is made of high-speed steel (HSS) with titanium coating for capability and durability, reverse design drill bit extractor set provides excellent torque and grasping force, Easy work on the broken screw