OTC 1041 13-Ton Grip-O-Matic Puller this mechanical puller removes and installs parts for fast, effective repairs. The puller is forged from quality steel, heat treated, and subjected to rigorous tests which exceed their rated capacity. With features like: 13-Ton, 2/3-Jaw, Max. Reach 11" Max. Spread 12", Screw Size 13/16"–16 x 12", Jaw Thickness 9/16" and Jaw Width 1".