How to UseWhen using this stud extractor, simply place the stud extractor over the stud and turn the lower hex flat nut counterclockwise to tighten the jaws. Firmly grasp the broken bolt or stud with the jaws and continue turning the stud counterclockwise until it is removed. Then loosen and separate clockwise. High-quality materialThe stud remover is made of heat-treated alloy steel, with a chrome-plated surface, no fading and no rust after long-term use, can withstand high-intensity work, you can add lubricant to the internal rotating thread of the tool for better protection against rust and wear. Scope of applicationThis bolt remover is suitable for removing or locking round studs from 6 mm to 12 mm, and rusty and damaged bolts can be easily removed. Multi-purposeThis stud removal tool is very practical, whether it is an exhaust manifold, an oil cap, broken bolts or damaged, painted or rusty, it can be removed effectively, but due to excessive clamping force, large, light wear may occur on the threaded surface. Special DesignThis is a stud extractor that can easily clamp damaged studs for stripping, small size, can be grasped with one hand, does not take up too much space and can be used by anyone, and can be adjusted freely for extraction inside any size. Having this tool saves you valuable time and is a really useful tool in your toolbox.