Clever device which quickly & safely overcomes the awkward job of lifting 4x 4 vehicles with offset differentials. Simply remove the existing trolley jack saddle*, replace with cross beam adaptor, fit the jack saddle into the hole in the adaptor & you are ready to lift. Suitable for jacks with a 31-33mm saddle spigot pin, including Model No's 3000CXD, 3000LQ, 3001LE, 3003CXQ, 3010CX & 3012CXD. * Note: Remove any rubber jack pad from the saddle before using to improve safety.