The use of Torx® (star-shaped) fittings on disc brakes, pedals, chainring bolts, etc. are becoming increasingly popular. The TWS-2 combines the wrench sizes currently being used on bicycle components (T7, T8, T10, T15, T20, T25, T30, and T40) in a convenient fold-up set. Composite handle is extremely strong (stronger than steel handles), comfortable to use and slip resistant. 168 g.