SeaSense 2 Tons Easy Lift Trailer Jack The SeaSense Easy Lift Jack lifts and holds boat and camper trailers and other single axle vehicles with wheels. The side crank, swivel trailer jacks features dual locking pins for strength. Fits on tongues up to 3" x 5". Large all-terrain wheel makes travel easy and durable. Includes a built-in grease fitting for long lasting smooth performance. Galvanized hardware included Holds boat and camper trailers Holds other single axle vehicles with wheels Galvanized hardware included Swivel trailer jack has dual locking pins for strength Built-in grease fitting for smooth performance|Fits tongues 3" x 5" ***WARNING: This product can expose you to chemicals including lead or DINP, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.*** Manufacturer: SeaSense Model: 50017515 SKU: SI_5001561