If you have a heavy duty hand cranked style landing gear jack on your gooseneck horse, construction equipment trailer, or race car hauler and would like to convert it to 12 volt electric power you've come to the right place.
Buyers Products 12 Volt Electric Plug In 3500lb Trailer Jack
Ultra-Fab 3500 lb. 12 Volt Electric Trailer Tongue Jack
Husky Super Brute 4,000 lb. Electric Trailer Jack