Lang Wheel Stud Installer for Ford F250 Through F550 is used for installing button head wheel studs on Ford trucks F-250 Super-Duty through F-550 from 1998 to present. These patented Lang Wheel Stud Installer pull the stud into the drive flange or hub without damaging the threads. Lang Wheel Stud Installer for Ford F250 Through F550 features 1 1/8'' six point drive and 1 7/8'' long and internally threaded M14-2.0.Lang Wheel Stud Installer for Ford F250 Through F550 Contains: (1) M14-2.0 Stud Installer;(2) Washers; (1) Spacer.