●Tamper proof key set includes: T10 - T15 - T20 - T25 - T27 - T30 - T40 - T45 - T50. ●The torx wrenches are made with S2 steel for maximum strength and durability, and to resist rotational distortion. ●Wrenches can be used as short or long arm, providing access in all situations. You can maintain stability, allowing quicker screwing-unscrewing. ●T Handles with ergonomic design offers a comfort grip for non-slip use and greater torque. ●The T-handle wrenches come with a convenient storage box for easily stored and transported. The Sizes are marked at the base of t-handle for clearly identified.