Features and Benefits: Pulls CV joints with hidden retaining rings without damaging the roller bearing inside the joint Use with CTA 4310 Axle Puller 5/8″ (18mm) threaded hole 1-7/8″ (48mm) wide opening On Aug-12-17 at 14:05:31 PDT, seller added the following information: Protect Your Product With a Consumer Priority Service Warranty On Nov-06-17 at 22:47:08 PST, seller added the following information: Protect Your Product With a Consumer Priority Service Warranty