3-3/4" 3/4" Drive 6 Point Wheel Bearing Locknut Socket 3-3/4; 6 point locknut socket. Wheel bearing locknuts are easy to remove or install with these specially designed sockets. Sockets are made of high-strength steel; openings resist rounding out Can be used with an extension and torque wrench to tighten the locknut as required. This socket has a 3/4; square drive opening, permitting the use of an extension and torque wrench to tighten the locknut as required.; Locknut removal and installation is simple, even when wide-rim wheels are involved, since a long extension may be attached to the socket to provide the necessary clearance. 1926