Covington Engineering Two-Station Closed Arbor The Covington Engineering Two-Station Closed Arbor is the ultimate build-your-own style grinder/polisher, designed to provide you with a fully customizable tool to meet your specific needs. With the ability to accept 6”, 8”, and 10” wheels, this arbor is perfect for grinding and polishing rocks and gems of various sizes. Constructed with heavy-duty cast aluminum, this arbor is built to last. The fully sealed front casting ensures that the arbor remains protected from debris and dust. The turned, ground and polished shaft ensures a smooth and efficient operation, while the heavy-duty ball bearings, neoprene sealed and greased for life, provide long-lasting durability. The arbor also comes with a 3" drive pulley and V-belt, 3" flanges, and 2 nuts included, giving you everything you need to get started. With the option to choose your shaft size, the Covington Engineering Two-Station Closed Arbor provides you with the flexibility to create a tool that meets your specific needs. Whether you're a professional lapidary or a hobbyist, this arbor is the perfect addition to your collection. Built with quality and longevity in mind, the Covington Engineering Two-Station Closed Arbor is a reliable and customizable tool that will help you achieve excellent results every time. Features Build-your-own style grinder/polisher Designed to accept 6”, 8”, and 10” wheels Heavy-Duty Cast Aluminum Construction Fully sealed front casting Fully Customizable Turned, Ground and Polished Shaft Heavy-Duty Ball Bearings, Neoprene Sealed and Greased for Life 3" Drive Pulley and V-Belt Included 3" Flanges included 2 Nuts included Choice of shaft size Base measures 7-1/4" L X 7" W X 8-1/2" H Please note that a motor is NOT included. FREE Shipping!