This 2 jaw puller has a 5 ton capacity. Features reversible jaws. Maximum reach: 5-1/2", Maximum spread: 6". Screw size 9/16" - 20 x 6-15/16". Jaw thickness: upper - 5/16" and lower - 1/4"; Jaw width: upper - 3/8" and lower - 3/4"This complete line of gear and bearing pullers, enables you to remove and install parts for fast, effective repairs. These pullers are forged from quality steel, heat treated, and subjected to rigorous tests which exceed their rated capacity.