Description: Hex Socket Magnetic Nut Driver Set Socket Adapter Drill, drills, screwdrivers and other hand on the installation of the hexagon tools for supporting Widely used in home DIY, carpentry, auto parts, specializing in machine repair and so on Made of alloy steel for durability. Used in pneumatic screwdrivers, electric screwdrivers, pneumatic drill, Specification: Material: Alloy steel M4:Outside Hex shank 1/4 to Inner Hex Shank 3mm:Length 50mm M5:Outside Hex shank 1/4 to Inner Hex Shank 4mm:Length 50mm M6:Outside Hex shank 1/4 to Inner Hex Shank 4.8mm:Length 50mm M8:Outside Hex shank 1/4 to Inner Hex Shank 5mm:Length 50mm M10:Outside Hex shank 1/4 to Inner Hex Shank 6mm:Length 50mm M12:Outside Hex shank 1/4 to Inner Hex Shank 7mm:Length 50mm M14:Outside Hex shank 1/4 to Inner Hex Shank 9mm:Length 50mm M16:Outside Hex shank 1/4 to Inner Hex Shank 10mm:Length 50mm Package Includes: 1 Piece Hex Socket Nut Driver Note: The color may be different for different display, pls understand Pls check the pictures for more details, thank you