For removing gears, sprockets, bearings, pulleys, and much more,even can be used for flywheels on small engines, found in outboards, lawn mowers. Fully adjustable design. Reversible for internal and external use. Swivel thrust plates on larger sizes prevent damage to shaft ends. Package included:1 x Puller Bar1 x 3-Jaw Base3 x Jaws6 x Bolts6 x Nuts6 x Clips