3/8" Socket wrench set with 34 parts, T-1934, 10 - 22 mm Spark plug socket with rubber ring. Ergonomic ratchet shaft with 72 balls. Min. 20% stronger than DIN standard. Quick release function on the ratchet shaft. Powerful switch for change of direction. Grooving on the sockets gives a better grip. Covers DIN/ISO sizes. Flankdrive geometry on all sockets. Contains: 12 x 3/8" sockets: 10-11-12-13-14-15-16-17-18-19- 20-22 mm. 13 x 1/4" x 25 mm bits: PH1+2, HEX 3, 4, 5, 6, 7, 8 mm, TX 20, 25, 27, 30, 40 1 x 75 and 1 x 150 mm extension. 1 x Cardan joint, 2 x bit holders 1/4" and 3/8" 1 x 1/4" chisel handle, 2 x spark plug socket 16 and 21mm. 1 x 3/8" " ratchet shaft with 72 balls.