Socket wrench inserts range from 6 to 24 mm. Deep bed inserts are available in sizes 10 to 17 mm, designed for widely projecting threaded bolts. Spark plug special inserts come in sizes 14, 16, 18, and 21 mm. The sockets feature a square drive for hexagon socket screws (4 to 10 mm) and TX screws (20 to 45 mm). The set includes two extensions and a universal joint. Allen wrenches are provided in sizes 1.25, 1.5, 2.0, 2.5, and 3.0 mm. For additional contents, please refer to the illustration.

The most important component is the ratchet, forged from a single piece of CrV steel. It is hardened and features flawless teeth, with several of the 72 teeth engaging simultaneously to transmit extremely high torque. The ratchet includes a release mechanism that allows the insert tools to be released at the push of a button.