OTC Tools OTC 7490 U-Joint Tool. Designed for a 1/2" impact wrench, this U-joint tool removes even the most stubborn U-joints with ease. It's compact and easily set up, making it ideal for service calls. It can be used at different angles and in tight places, eliminating those damaging makeshift methods. The puller's legs have holes for bolt storage. Bolts included: 5/16"-24 x 1-1/2", 3/8"-24 x 1-1/2", 7/16"-20 x 1-1/2", M8-1.25mm x 35mm. Works on most Dana Spicer and Meritor U-joints - except Spicer's Life series model SPL250X.