Camel Grinding Wheels® 39909 Flap Wheel, Outer Diameter: 1 Inch, Face Width: 1 Inch, Grit: 80 (Fine), Max Speed: 30000 Rpm, Abrasive Type: Aluminum Oxide, Mounting: Shank, Shank Diameter: 1/4 Inch, Product / Materials Abraded: Ferrous And Non-Ferrous Metals, Stainless Steel, Iron, Brass, Aluminum, Plastic, Fiberglass, Wood And Glass