Park HHP3 Home Mechanic Bearing Cup Press Tool The Park HHP3 Press Tool can be used for fitting either bottom bracket or headset press fit cups. Made for the home mechanic, the HHP3 is around half the price of Park's workshop-quality press tool. Universal application - the HHP-3 is designed to install all sizes of head cups and one-piece bottom bracket cups into frames. Installing bearings correctly with an appropriate tool helps ensure optimal performance and longevity. Park Tools are made in the USA and are covered by a limited lifetime warranty.