OTC's specially designed socket easily removes or installs wheel bearing locknuts on 1995-1998 Ford F-series 3/4 and 1 ton trucks with automatic hubs. OTC wheel bearing locknut sockets are formed from high-strength steel that is resistant to rounding out under high torque loads. Designed for use with 1/2 inch, square-drive MANUAL tools only. NOT intended for use with impact tools - use with impact tools will void the socket. 6 point, 2-3/4 inch (flat to flat) opening size with 5 inch depth. To determine socket size needed, measure locknut from flat to flat. Value is at the core of the OTC tool and equipment portfolio. For a simple repair or the most complex drivability concern, these award-winning tools universally solve problems faster, and at better value, than any other product line available. Whether it's a specialty tool or unique piece of service equipment, OTC provides top solutions to modern automotive service challenges while increasing technicians' productivity and shop profits.