Cobalt drill bit sets, screw extractor, screw extractor and left-handed cobalt drill bits. Drill bit set.

【Wonderful material】The left-handed spindles are made of high-speed steel reinforced with cobalt, improving durability and lifespan.【Responding to your various requests】Bolt extractor: Numerous tool specifications are available to meet your various needs.【Practical and practical】The screw extractor can easily remove screws, studs, bolts, and other accessories.【Strong function】The spiral groove on the screw extractor can penetrate deeply into the screw to increase the gripping force when torque is applied.【Portable and lightweight】The screw extractor comes with a black tin box, convenient to use and transport.