Extended Hex Screw Socket, 1 or 4inch Magnetic Screwdriver Bit Holder, 1 or 4inch Hex Head Allen Wrench Bit Set For Screwdrivers, Electric Drills, Air DrillThe product is shipped based on the color or size of the main image of the product page.Quality Materials: Made of 45steel, the extended hex head has professional performance and high durability. It can be used for a long time. Magnetic Design: Designed with the magnetic safety head, the extension hex screw socket is safe to use. You can easily suck the screw when you use it. Multiple Uses: Hex shank can be manually rotated or can be used for electric screwdrivers, screwdrivers, electric drills, air drills and other tools.More Size Choices: The hex key has different sizes: 80mm 120mm 140mm can meet your different needs. It is lightweight and portable. It can improve your work efficiency.Warm Tips: To avoid damage to both the screw and the drill, please don't turn the screws which are not match the size.Name: Screw Socket Extension Hex.Material: Galvanized AlloyShank Diameter: 1 or 4 inch (6.35mm)Color: as shownPacking list:1 x drill stand