The Premium Thor 11/16" Independent and a variety of 10 Valve Seat Grinding Stones & Holder Drive is a high-quality valve seat grinding stone set designed for precision and efficiency. Made with vitrified bonded emery, these heavy-duty stones provide a smooth finish and lasting durability. The set includes 10 good used stones and a driver, perfect for valve seat grinding and engine valve repair. With a thread size of 11/16" and a weight of 6.16 lbs, this unit is ideal for automotive professionals looking for a reliable and efficient tool set to enhance their shop equipment collection. Made in the United States by Thor, a trusted brand in the industry, this valve seat grinding stone set guarantees excellent results.
