The Park Tool WH-1 Wheel Holder provides a quick and easy way to work on bike wheels in a shop setting. Features: The WH-1 wheel holder firmly holds thru axle and quick release wheels at three convenient positions Holds wheels during cleaning, tire and tube work, hub work, cassette work, and tubeless installation Accepts 12, 15, and 20mm thru axles and 5mm skewers Bolts directly to your work bench or can be clamped in a vice