DEEP WELL DESIGNThe 2.6inch deepwell design makes it easy to extract parts in tight spaces, reach deep holes, and remove spark plugs, addressing the limitations of shorter extractors. MULTIPLE SIZE RANGE The deep bolt extractor kit features the following sizes 38 9.5mm, 716 11mm, 12 12.7mm, 916 14mm, and 58 16mm. EASY TO USE The internal thread reverse spiral flutes of the lug nut removal tool are designed to bite down to provide maximum gripping power. The more you rotate it, the tighter the grip will be, making it easier to not break or slide. It is suitable for easy removal of damaged, frozen, studs, rusted, roundedoff bolts, spark plugs, nuts, and screws. STRONG AND DURABLE Constructed from heattreated highcarbon steel chromiummolybdenum steel, CrMo, this tool offers outstanding strength and longlasting durability. The gray oxide coating enhances its resistance to corrosion, ensuring reliable performance over time. 38 Square Drivers Compatible with 38inch square drivers and hex adapters, this bolt extractor works with hand, air, or power tools. It includes a convenient toolbox for easy storage and transport. PREMIUM SERVICE We are dedicated to delivering the highest quality products and services to our customers. If you have any questions about our products, please reach out to us through Amazon, and our professional team will be happy to assist you