13-Ton Grip-O-Matic PullerMechanical Grip-O-Matic Puller Remove and install parts for fast, effective repairs. The puller is forged from quality steel, heat treated, and subjected to rigorous tests which exceed their rated capacity. • 13-Ton, 2/3-Jaw • Max. Reach 11″ Max. Spread 12″ • Screw Size 13/16″-16 x 12″ • Jaw Thickness 9/16″ • Jaw Width 1″