The King Pin Gooseneck Tripod Stabilizing Jack provides full side-to-side frame overhang stability and added front to rear stability. The Gooseneck Model 25037 Tripod includes an adapter that secures the jack to the gooseneck. Works with a 2-5/16" gooseneck ball only.• Sets up in seconds and simple to operate.• Foldable drive screw handles fold down for activating the jack and fold up when not in use or for storage.• Heavy-duty construction yet lightweight and easy to store.• Large diameter base pads with heavy-duty chain and hooks. SpecsModel Number: 25037Support Legs: 41"LJack Leg: 40" to 49-3/4"Minimum Height: 29" with 64" dia. foot spacingMaximum Height: 41" with 30" dia. foot spacing Works with 2-5/16"" gooseneck ball only Sets up in seconds; simple to operate Large base pads with heavy-duty chain & hooks | BAL King Pin Gooseneck Tripod Stabilizing Jack