1/4" + 1/2", for TX and hexagon socket screws. Special set made of chrome vanadium steel, 31 CrV 3 forged. With higher hardness and maximum torque values than required by DIN / ISO. Dimensional accuracy is within the permitted tolerances. With permanently legible marking for all wrench sizes. Drive type / profile External torx, Internal hexagon, Internal torx Drive 1/2", 1/4" Type Item Main color silver Profile size E4, E5, E6, E8, E10, E12, E14, E18, E20, T8, T10, T15, T20, T25, T27, T30, T40, T45, T50, T55, T60 Wrench size 7 mm, 8 mm, 10 mm, 12 mm, 14 mm Assortment 42 pieces