This is the Park Tool TWS-3C Torx Compatible 3-Way Hex Wrench. The TWS-3 is a star-shaped Torx® compatible 3-way wrench. T10, T25 and T30 wrench sizes in our classic three-way “Y” design. Useful for disc rotor bolts (T25), chainring bolts (T30), and hydraulic brake work (T10).
This product is expected to become available for purchase on Thursday, July 1, 2021