DEPENDABLE STRENGTH. This boat trailer jack is rated to support up to 1,000 lbs. trailer tongue weight, and it comes with bolt-on mounting hardware to readily attach to the trailer tongue CONVENIENT MOBILITY. For easier coupling and positioning of your boat trailer, this jack comes with a 6-inch diameter trailer jack wheel EASY OPERATION. This trailer tongue jack allows for 10-1/2 inches of vertical movement and operates using a side-wind handle (12-5/8-inch retracted height, 23-1/4-inch extended height) SWIVEL DESIGN. To ensure plenty of clearance while towing your trailer, this trailer jack stand is equipped with a swivel bracket. The jack swings up and out of the way for towing and features a heavy-duty pull pin to securely lock into place CORROSION-RESISTANT. For long-lasting corrosion resistance against water, dirt, road salt and more, this marine boat trailer jack is protected in a durable zinc-plated finish In our goal of being your best source for all things towing, the CURT line of trailer jacks is designed with care and manufactured with pride. CURT jacks are made with quality to promote the life and function of your trailer, and they come in several different styles to accommodate your needs, whether you are a frequenter of the boat landing, the campground, the racetrack or the field. Designed to withstand the wear and tear of frequent water exposure, CURT marine jacks are the jack of choice for the avid fisherman or boating enthusiast. Our marine jacks have a few features that make them a special addition to our trailer jack line. Unlike any of our other jacks, CURT marine trailer jacks are equipped with wheels, allowing for greater mobility and easier coupling of your trailer. Choose from models with one or two wheels. Marine jacks also have a heavy-duty pull-pin that allows them to pivot on their mounting bracket to be out of the way for travel. To protect them from corrosion and the damage of moisture, these jacks come with a zinc finish. This CURT marine jack features a weight capacity of 1,000 lbs., a travel of 10″ and a wheel diameter of 6″. It comes with a side-wind handle and all the necessary bolt-on hardware for a complete installation. It does not matter what kind of trailer you tow — a boat trailer, utility trailer, livestock hauler or recreational vehicle trailer — if you have a receiver-style trailer, you will want a jack that complements its function. For a trailer jack that will not steer you wrong, CURT has the answer.