Equalizer Gear Box holds the gears for operation of the leveling system. It is located at a stationary location top of the channel bar on which the Cable Block rides to level the platforms. Contains one Shaft Gear and one Rod Gear (retain the rod gear pin from the one you have). Includes Gear Box, Shaft Gear, Rod Gear, Hdwr. Must call the Office to order the Gear Box. 910-251-0411