CTA Tools 4245 CV Joint Puller is designed to pull CV joints with hidden retaining rings without damaging the roller bearing inside the joint. This tool is for use with CTA Tools 4310 Axle Puller. Heavy-duty construction allows for strength and durability. Whether tuning up your ‘68 Corvette or changing the oil on a John Deere tractor, CTA can supply you with the tools needed to do the job. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.