- 13 PC. Universal Adjustable Wheel Bearing Lock Nut Wrench - Versatile Use: Designed for the removal and installation of wheel bearing lock nuts. - Compatibility: Compatible with 3/4" drive tools. - Pin Type Design: Features a pin type for easy use in narrow spaces. - Includes 3 Sets of Pins: Comes with round/square pins in 6mm, 5/16" (8mm), and 3/8" (10mm) sizes. - Adjustable Jaws: 6 PT Lock Nut Capacity: Fits lock nuts from 1-3/4" to 5-1/4" (49-135mm). 8 PT Lock Nut Capacity: Fits lock nuts from 1-3/4" to 5-5/8" (49-143mm).