CTA Tools 4031M Heavy Duty Lock Ring Tool Master Kit is the Safest, strongest tool for lock ring service. Hold single handle then adjust screw mechanism to control forged jaws to remove and install lock rings securely and quickly. Services CV shaft, wheel hub, axle shaft, cam shaft, etc. Includes 12 pairs of tips 2.5mm (straight, 45 degree, 90 degree) 3mm (straight, 45 degree, 90 degree) 3.5mm (straight, 45 degree, 90 degree) 3.8mm (straight, 45 degree, 90 degree) OAL: 12"/30cm packed in a blow-mold case 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.