You can carry a heavy set of sockets with you wherever you go, or you can use this handy tool to replace them all. The Kusonkey Universal Socket is all you need. It can handle multiple jobs all on its own. It will drive nuts and bolts measuring between 7mm and 19mm, using 54 individual hardened steel spring pins to adapt to the shape of the tool you need. It also works for hex-head screws, hooks, and loops. Use it with a power drill, ratchet, and multi-bit screwdrivers. This one tool rules them all and replaces all of the rest.