The Mac Tools Harmonic Balancer Puller Master Bolt Grip Set STP600B is a high-quality set of hand tools designed for removing and extracting harmonic balancers. Made by the reputable brand Mac Tools, this set includes all the necessary components to assist with the job effectively. With a manual drive and crafted in the United States, this puller set is a reliable option for automotive professionals and DIY mechanics looking to safely and efficiently remove damaged or seized harmonic balancers. This set does not come with a warranty, but its durability and performance make it a valuable addition to any tool collection.