This 2/3 jaw puller has a 5 ton capacity features reversible jaws maximum reach: 3-1/4; maximum spread: 7 screw size: 9/16-20 x 6-15/16 jaw thickness: upper – 5/16, lower – 1/4; jaw width: upper – 3/8, lower – 3/4otc has developed the most complete line of gear and bearing pullers, enabling you to remove and install parts for fast, effective repairs. the pullers are forged from quality steel, heat treated, and subjected to rigorous tests which exceed their rated capacity.