Mechanical 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. 7-Ton, Long 2/3-Jaw, Max. Reach 8-3/4 in. Max. Spread 11 in., Screw Size 11/16 in. - 18 x 9 in., Jaw Thickness 11/32 in., Jaw Width 1 in.