OTC's 5-ton capacity, 2-jaw, reversible gear and bearing puller enables you to remove and install parts for fast, effective repairs Forged from quality steel, heat treated, and subjected to rigorous tests which exceed the rated capacity Maximum reach - 3-1/4 inches; maximum spread - 6 inches Upper jaw thickness - 5/16 inch, lower jaw thickness - 1/4 inch; upper jaw width - 3/8 inch, lower jaw width - 3/4 inch Center screw size - 9/16-20 x 6-15/16 inches long