The 4820 Screw Jacks features square tubing. The 4820 jack includes an outer tube that has been zinc plated and then powder coated for superior corrosion resistance. It also has a wiper at the bottom of the jack to help prevent debris from getting into the jack leg, and a zinc plated inner leg. All Happijac jacks have an electrical upgrade option and have a one year warranty.
Replacement 4820 Jack leg for your Happijac truck camper jack system 2,800 pound capacity per jack Plated and powder-coated outer tube resists corrosion Easy-to- access manual override with full 360-degree cranking Efficient, precision CAD design sustains quiet operation
