SINK NO MORE!The Off-Road Base from Hi-Lift Makes the Original Power Tool Even More Versatile! Convenient to use, Easy to Store. Rugged construction meets Hi-Lift Jack specifications for Strength & Durability.Use the Hi-Lift Off-Road Base to alleviate jack sinkage on soft ground. Use the Off-Road Base with any model of Hi-Lift Jack. Authorized Hi-Lift Accessory.