Product Description OTC® Truck Wheel Bearing Octogonal Locknut Socket 6 PointEach socket has 3/4" square drive opening, permitting the use of an extension and torque wrench to tighten the locknut as requiredLocknut removal and installation is simpleSockets are made of high-strength steel; openings resist “roughing out” Product Reviews Write a Review Write a Review × OTC Wheel Bearing Locknut Socket 3-7/8 OTC 1912(23839) Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email Required Review Subject Required Comments Required