This Sunex fuel tank adapter is designed for use on all under hoist transmission jacks for the removal, installation and moving of emptied automotive gas tanks. Installation to all ratcheting finger transmission jack saddles is quick and easy, and the product comes with a universal adapter plate for all other saddles.Foam support pads can adjust for height, width and length to fit any 40 gallon gas tank configuration, and ground wire assembly prevents static electric discharge on older metal tanks. Two 8' tie-down straps are included for securing the tank to the adapter.