Easy and accurately align and press headset bearing cups into frames. Totally eliminates damaged or misaligned bearing cups. Stepped bushings give a precise fit from 1" cups all the way to 1.5" cups. A quick release design allows for instant removal after cups are seated
Heat treated and nickel-plated to give trouble-free service. Extra long handles for ease of operation and superior leverage. Can also be used to press cartridge bearings into bottom bracket shells. Made in the USA and covered by Park Tool's legendary limited lifetime warranty.