Easily dismount/mount Ford 8in. and 9in. rear Differentials - This tool sure beats catching 70 pounds of differential gears with your person. Adapts your 2 ton trolley jack with 1-1/8in. or 1/2in. saddle mounting hole to remove/install differentials. Also includes a bench vice adapter. Made in the USA. Can also be used to remove complete rear axle assemblies (without wheels).