INTRODUCTION - Damaged extractor 3/8 inch drive. It is suitable for most drive tools: 1/4inch to 1/2inch (6mm to 12mm), and can be used with manual or pneumatic impact wrenches and ratchets as well as adjustable wrenches and flat wrenchesManufactured with high-grade Heat-Treated Alloy Steel for maximum durability, this also features a chrome finish for additional rust protection.EFFICIENT & VERSATILE - This stud removal is easy to operate and can help you get more rest time. This extractor will save hours of frustration on broken exhaust manifolds, oil filler plugs, rounded bolts, low grade bolts left in saltwater, painted-over bolts, rusted tight bolts and more.PRODUCT INSTALLATION - Simple operation does not need to be considered. Place the stud extractor on the stud and turn the bottom hex flat nut counterclockwise to tighten the jaws. After the jaws hold the broken or stud firmly, continue to rotate the stud counterclockwise until it is removedThen release and separate them in a clockwise direction.PRODUCT UPGRADE - Traditional extractors are limited in size, and too many types of extractors waste space and cost. It's too much trouble for your mood, so we designed an auto-adjustable extractor that easily clamp the damaged studs for stripping, saving you valuable time,It is definitely a great addition to your toolbox.Colour: SilverMaterial: MetalPackage Contents:1 x rounded removerOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.