The Cal-Van Heavy Duty Bearing Cup Installer, No. 20300, is designed to accurately install bearing cups in minutes into the Dana/Spicer SPL Life Series quick-disconnect u-joints. The press plate and specific adapters make proper installation easier while also reducing the risk of damage to the driveshaft, yokes, and joints. Designed to be a safer alternative to makeshift methods. This tool can be used with hand and air tools.