Item Name: Covington Parts - Arbor Shaft 1"x 30" SKU: COVCAS030 Description: This arbor shaft is designed for use with the Covington TSA series equipment and weighs 13 pounds. It measures 1 inch in diameter by 30 inches in length and serves as the primary rotating component for Covington lapidary machines. The shaft is engineered to provide reliable performance in faceting and tumbling applications where precision and durability are essential. How it is used: The Covington arbor shaft is used in faceting machines and tumblers as the main rotating element that holds and spins the work piece during cutting, grinding, and polishing operations. The shaft is mounted into the machine's bearings and rotates against various grinding wheels and polishing compounds to shape and finish glass, stone, and other materials. This shaft is critical for achieving consistent results in precision faceting work where accurate rotation and alignment are necessary.