23MD17 Jaw Puller, Jaw Reach 2 1/8 in, Jaw Spread 3 1/4 in, Capacity 1 ton, Number of Jaws 3, Jaw Style Nonreversible, Screw Size 5/16 In.-24, Screw Length 3 7/8 in, Puller Length 4 in, Locking Yes, Features Designed to Pull Gears, Bearings, Pulleys and Wheels. Enable you to remove and install pares for fast effective repairs, For Use With Slide Hammers, Includes (3) Jaw, 8 oz Thread and Screw