Here are three types of tongue jacks for today’s boat trailers. The Lift: Hand-crank jacks such as West Marine’s 1,500-pound-capacity swivel-mount model ($114.99; westmarine.com) bolt on or are welded ...

Bolt-On Swivel Tongue Jack, 1500 lbs. capacity ... Sidewind Hardware included to mount up to a 3" x 5" trailer frame. Pull Pin Diameter-0.5 inch Z-MAX 600 superior plating corrosion protection ...

Fulton’s 2,000-pound-capacity F2 aluminum tongue jack features a heavy-duty, articulating foot plate for storing the growing number of large, heavy trailer boats. The jack’s 7-inch-diameter cast foot ...

【Efficient and Durable Trailer Jack】: This trailer jack features sturdy dual a heavy-duty steel construction, easily lifting up to 8000 lbs. The outer tube diameter is 2.6 inches, and the ...