Mechanical Jaw Puller, Locking, Capacity 7 ton, Number of Jaws 2 or 3, Nonreversible, Jaw Reach 8-3/4 In., Jaw Spread 11 In., 11/16-18 x 9 Screw Size, Steel, Puller Length 9 In., For Use With Slide Hammers, Designed to Pull Gears, Bearings, Pulleys and Wheels Enables You to Remove and Install Pares For Fast Effective Repairs , Includes 2 or 3 Long Jaw, 8 lb. 2 oz. Thread and Screw