Products in the socket and socket handle family are hand tools based on the use of interchangeable adapters (sockets) that allow a common handle (wrench) to be used for application and removal of threaded fasteners in a range of sizes and types, including internal and external hex, phillips, slotted, square, Torx? and others. Both adapters (sockets) and handles (wrenches) are included, inclusive of specialized types such as torque wrenches, impact socket drivers, and breaker bars.