SECURE – Prevents camper movement in all directions (up-down, side-to-side, and front-to-back). INNOVATIVE DESIGN – The HappiJac tie down is designed to make your camper an integral part of your truck. CUSTOM-LIKE FIT – Kits are readily available for Ford, Chevy, GMC, Dodge and Toyota truck models. STRENGTH – The direct-to-frame mount is strong and easy to use. DURABILITY – The front tie downs are made from powder-coated steel and the rear anchors are made from sturdy chrome-plated steel.