This 2/3 jaw puller has a 13 ton capacity Maximum reach: 11"; Maximum spread: 12"Screw size: 13/16" - 16 x 12"Jaw thickness: 9/16"; jaw width: 1"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.