This side-crank, fold up trailer jack easily swings up and out of the way when not in use. Spring loaded latch locks and releases the jack from one position to the other. Allows for 10 inch lift travel, with maximum lift of 24 inches. Fits up to 3 inch x 4 inch trailer tongue. Seachoice is committed to delivering quality marine accessories and OEM replacement parts to satisfy fishing, boating and watersports enthusiasts worldwide. Seachoice is run for and by boaters offering a wide-ranging product line while remaining affordable.Convenient, spring-loaded, plunger-pin swivel feature – Swing up to stow parallel to the tongue for travel; move back into an upright position for use.Corrosion-resistant zinc finish – Can pass the 48-hour salt spray testMax Load: 1,500 poundsWheel Size: 6 inchSuitable for 3 inch x 4 inch trailer tongueBolt-on style Jack; includes all mounting hardwareManufacturer part number 50-52031WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go towww.P65Warnings.ca.gov.