• 3-7/8"; 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
• 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.