1pcs U Joint Pullers Automotive (Class 1-3) 10105. Upgrade Design : The greatest and original U-Joint Puller. Step 2: Slip the U-joint Puller over the Yoke of the Driveline. A pplication : Provides ultimate brute strength for disassembling even the most seized u-joints in minutes on virtually all class 1-3 cars, light-duty trucks and farm machinery.