1/4", precision mechanics, 36 pcs. With screwdriving and driving tools. Ratchet forged from one piece (CrV steel), hardened, 52 teeth and unlocking mechanism (release of inserts by push button). Custom-fit insert made of injected polypropylene, oil and acid resistant, easy to clean, with permanently legible markings for all wrench sizes. Consisting of: sockets from 4 - 13 mm, screwdriver bits with square drive for slotted screws, Phillips screws, TX screws (with front hole) and hexagon socket screws. In addition, 5 angled hexagon keys size 1.25 - 1.5 - 2.0 - 2.5 and 3.0 mm. Drive type / profile Hexagon socket, Torx socket, Phillips drive 1/4 " Type article Main color silver Profile size PH1, PH2, T20, T25, T27, T30 Wrench size 2.5 mm, 3 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 6.5 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm Assortment 36 pieces Gearing 52 teeth