TCE 2000 LBs Capacity Weld on Pipe Mount Swivel Trailer Jack, ATR39003U-1 , Black.Swing-back tube mount trailer jack easily raises and lowers any trailer up-to a 1 ton (2,000 lb) capacity.Adjustable height from 10-1/2" to 20-1/2" and fits trailer tongues 3" to 4".Painted with Zinc, which is corrosion resistant.Convenient wind handle delivers fast, smooth cranking.Included components: user manual.The swing-back tube mount trailer jack is painted with Zinc, which is corrosion resistant. The height is adjustable from 10-1/2" to 20-1/2". Fits trailer tongues 3" to 4" and helps easily raise and lower any trailer up-to a 1 ton (2,000 lb) capacity. Convenient wind handle delivers fast, smooth cranking. Includes a limited 1 year manufacturer warranty.boat trailer jacks are built to thrive under water exposure, equipping your boat trailer with a dependable support for miles to come. These trailer jacks also feature a jack wheel to give the boat trailer enhanced mobility when coupling to your vehicle or launching your boat at the boat landing.