Sunex Tools 7704 Fuel Tank Adapter for Transmission Jacks - Gas Tank Handler Adapter holds automotive, SUV, and truck fuel tanks up to a 40 gallon capacity. Four support blocks can quickly adjust to fit most fuel tanks up to a 40 gallon capacity. Foam pads are provided to protect the fuel tank. 2 nylon 'cinch' straps are provided to secure the gas tank during transport. Unique saddle adapter will fit most low profile and telescopic transmission jacks.