Wide application: set of 3 universal hexagonal to square adapters of 1/2", 1/4", 3/8", ideal for all DIY enthusiasts. Whether you sit for hours in the garage with your universal socket wrench to repair your car, turn on different constructions in the garden or build your dream arbor. With the Multi-Purpose Socket for Cordless Drill and Screwdriver, even the toughest jobs can be done. Hex Adapter - The most common type of bit holder is the hex adapter which fits the impact sockets and has a hexagonal hole. They allow you to fix screws, nuts or bolts of different sizes. Sockets are a good investment if you frequently use an impact driver or drill to drill holes in wood, metal, or other materials. They allow you to change different bits quickly and easily. Set of 3 - The set of 3 presented here consists of three pieces that adapt perfectly to the small ratchet kit. 1/2", 1/4" and 3/8" sockets are the most common socket wrenches and are often used for different sockets. With them you can replace your square key and torque wrench with a screwdriver or impact driver. The kit completes your ratchet box with additional working possibilities. The universal adapter is incredibly easy to install and use. After just a few seconds you can use the extension in your screwdriver or drill. They hold the socket wrench perfectly thanks to the robust ball lock. This ensures that the tool adapter does not come loose or fall off while working. Thanks to its length of 5 cm, it can also be used as an extension cord for hard-to-reach places. Note: The data is all measured manually, please allow 1-3 cm error due to differences in light and display, there may be color differences, please refer to the actual item received.