DescriptionOur screw extractor is made of high quality steel, high hardness, durable and easily remove damaged screws.The stripped screw extractor set is included two extension bit holder. Can remove in one step, do not need to conversion the extractor or adjust the chuck.Features- Color: Silver. - Material: Steel. - Size: 10x0.8x0.8 cm/3.9x0.3x0.3 inch. - Our screw extractor is made of steel, high hardness, durable and easily remove damaged screws. - Easy to install and operate. - Professional designed for daily use or professional use. - Suitable for allen bolts, machine screws, lag bolts, wood screws, hex bolts, sheet metal screws and other screws - It is best to use electric hand drill, can not be used the hammer drill mode! Must be low during use!