The 3563 jaws reverse for inside and outside pulling. Three-point grip applies a parallel pull. Includes blow mold case for storage. Jaw capacity: 9 In.. maximum reach: 5 In.. capacity: 7 ton. Center screw size: 11/16 x 18. screw length: 7-1/2 In.. jaw thickness upper/lower: 3/8 In. to 3/8 In.. jaw width upper/lower: 1 In. to 1 In.. weight: 6 lb.