The park tool tws 3 torx compatible 3 way wrench features three of the most common torxreg compatible wrench sizes in park tool39s classic 3 way design the tws 3 is useful for disc rotor bolts t25 chainring bolts t30 and hydraulic brake work t10 park tool tws 3 torx compatible 3 way wrench features a selection of essential torx wrenches in a convenient package wrenches are made from high torque bondhus protanium industrial quality too