This 1500 LB Boat Trailer Tongue Jack from Dutton Lainson Features heavy-duty 8 inch slotted independent wheel with bearing, to maneuver over rough terrain when moving trailer manually. Reinforced wheel bracket also adds strength. 4-bolt swivel mounting system for heavier applications. Zinc TUFFPLATE finish. 1500 lb capacity. Fits tongues up to 3 x 5 inches.