OTC's Heavy-Duty Bearing Cup Installer quickly and easily installs bearing cups on bolt-retained universal joints. For use with Spicer series 1610 to 1880 and nearly all other heavy-duty truck and machine type u-joints with bolt-retained bearing cups. Design automatically aligns bearing cups during installation and eliminates the possibility of damage to the needle bearings. Crafted from high-grade materials to ensure quality performance over the lifetime of the tool. Value is at the core of the OTC tool and equipment portfolio. For a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it's a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians' productivity and shop profits.