About this item High-Quality CR-MO Steel：Made from heat-treated, premium chromium-molybdenum steel, it offers exceptional durability and resistance to damage. Every surface is precision-machined,corrosion-resistant. Size Markings:All stud removal socket set sizes are engraved on the sockets for easy identification. A wide range of sizes meets all your needs:3/8" Series: 21/32", 11/16", 23/32", 3/4", 25/32", 13/16", 27/32",1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2", 17/32", 9/16", 19/32", 5/8".(Includes: 3/8"M x 1/2"F adapter, 3/8*H10 adapter.) Easy Removal:Out Bolt Extractor Kit Multi-spline-Extractors Broken Stripped Bolt Extractor Set Bolt Remover Damaged Studs, Bolts, Screws Bolt Removal Kit Comes With a Double-ended Stud Remover Set that Can Be Directly Connected to a Wrench Without the Need for an Sdapter Socket. Ease of Use：Suitable for both power tools and manual tools, the high-density spiral design helps remove broken screws, bolts, nuts, studs, and fittings more quickly. Packaging：All components of this set are securely housed in a durable blow-molded carrying case, making organization and portability effortless. It is perfect for use at home, in the garage, on construction sites and DIY enthusiasts. Overview Brand: NORTOOLS Material: Chrome Molybdenum Steel Number of Pieces: 26 Drive System: Hex Drive Bit Application: construction, industrial