38-piece socket set 1/4-inch made of polished chrome-vanadium steel. Ratchet handle with quick release and double hardened handle. One cardan joint, two extensions (50 and 150 mm), T-crosshandle and 13 plug-in inserts: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13 and 14 mm; Three slotted screw inserts: 4, 5.5 and 6.5 mm; Three pozidriv bits: PZ 1, 2 and 3; Seven Trx bits: T10, T15, T20, T25, T27, T30 and T40; Seven hexagon bits: 2.5, 3, 4, 5, 6, 8 and 10 mm as well as two extensions (50 and 150 mm).