The Faithfull 26 Piece 3/8in Square Drive Socket Set includes a selection of chrome vanadium hexagonal sockets and popular accessories, and features a 72 tooth, smooth action, soft grip ratchet handle with a quick-release mechanism. The sockets are made from chrome vanadium steel with curved sidewalls to apply torque to the flats, preventing the rounding of the head of the fastener. Manufactured to DIN 3124 Standard and the ratchet handle to DIN 3122. Presented in a sturdy storage case. Contains: 18 x Metric Hexagon Sockets: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 and 24mm. 2 x Deep Spark Plug Sockets: 16 and 21mm. 1 x 3-Way Adaptor.3 x Extension Bars: 40mm, 75mm and 150mm.1 x Universal Joint.1 x Soft Grip, Quick-Release, 72 Tooth Ratchet Handle.Additional Information:Metric/Imperial: MetricSet Type: 3/8in