Unified Marine SeaSens 2500 lb. Zinc Square Tube Trailer Jack fits tongue sizes up to 3" x 5". Zinc plated steel construction for corrosion resistance. It has a heavy-duty fixed mount bracket and provides 30" of lift from the bottom of mounting bracket to the foot plate and 13-3/4" of travel. It is equipped with a quick release pin for easy foot plate adjustments. Comes with power grip handle and built-in grease fittings. This jack is ideal for tall trucks and SUVs.