Designed for installing front and rear lower ball joints on Mercedes ML-Series SUV's.
The old Ball joints are pressed out and the replacement ball joints are secured with a 4-prong nut that requires this socket to install.
It is 3/4" drive so you may need a 1/2" to 3/4" adapter if using it with a 1/2" impact gun.
Pin wrench socket 3/4" drive, to secure retaining ring for ball joint replacement.
This tool makes the fixing process faster and easier!
163 M-Class front and rear axles. Retaining ring is torque to 300Nm/226ft/lbs
W163 (1998-2005) and W164 (2006-present)
such as ML320, ML350, ML430, ML500, ML320 Diesel, ML550
(Item packaging maybe varied)