Dutton Lainson 800- And 1 000-Lb. Black Swivel Jacks -
The swiveling side-mount design minimizes cranking when disconnecting from a vehicle, and it's easily rotated and spring-locked into a vertical operating or horizontal towing position. Each has a black, clear-coated finish on top and an ultra-corrosion-resistant Tuffplate® finish inside. Maximum tongue size: 3" x 5". The 800-pound model has a parking brake.