Special Features:

Features positive socket retention, for use with male/male and female/female adapting, comes with an allen wrench, knurled locking ring

Properties:

An attachment for extending the drive length of socket wrenches or handles. The body of the item may be either a coil spring or a solid bar. The items permit the connection of ends that are designed for direct mating to each other. See also adapter, socket wrench; universal joint, socket wrench attachment; and adapter, socket, crowfoot socket wrench head.