Alltrade 648874 1/2-Inch Square Drive 4 Pin Toyota Locknut Tool Made to be the most reliable tools in the market today Tool solutions for most all situations Built to exceed tool standards For removing and installing special high torque locknut on manual locking hubs Fits 1995 and newer Tacoma? and 1996 and newer T100? and 4Runner? Special socket has 4 pin-type lugs to properly engage holes in locknut 1/2" square drive for use with torque wrench Similar to the tool used by factory technicians