1/4", hex, knurled design, Flanc Traction profile, matt satin finish, chrome vanadium, reversible, with quick-release function, return swivel angle 8°, in plastic case. Drive type / Profile external hexagon, internal hexagon, internal hexalobular, Phillips, slotted drive 1/4" article type features knurled, reversible main color silver profile size PH1, PH2, PH3, PZ1, PZ2, T10, T15, T20, T25, T27, T30, T40 wrench size 3 mm, 4 mm, 4.5 mm, 5 mm, 5.5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm assortment 46 pieces gearing 45 teeth.