Features: *Hex shank tap socket, made of alloy steel with high hardness and high abrasion resistance. *The square hole in the leather ring is inlaid with a clamp pad, which makes the clamp more firm. *It is used with a hand electric drill. It is widely used in for mold manufacturing, pneumatic screwdriver, DIY, auto repair and other professional machine maintenance. Specification: Color: Black(As Pictures Show) Material:45# steel Length: 50mm(Approx.) Shank: 1/4 Inch Hex Shank Optional Types:,M5,M6, M8, M10,, for M14 Package Including: 1× Screw Tap Socket Adapter(Opitonal Types) or 7× Screw Tap Socket Adapter (,M5,M6,M8,M10,,for M14 of each) Please Note: -Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! -Manual measurement, please allow 1-3mm error. Thanks for your understanding. Made from high-quality materials, our tools products are durable and affordable to meet your daily needs. Please check the product size and model before placing an order to ensure it is the product you need. When you encounter a problem, please contact us and we will help until the problem is perfectly solved. When you receive your product, whether you are satisfied or not, we want to hear your opinion. Every customer can enjoy free refund or exchange service for damaged/quality problem products.