3M, 7000144118, Cloth Belt, Single Flex, 18 in Belt Length, 1/2 in Belt Width, 120 Grit, Fine Grade, Zirconia Alumina Abrasive, Polyester Backing, Closed Coat, Green, Applicable Materials: Aluminum, Brass, Bronze, Carbon Steel, Copper, Hardened Steel, High Nickel Alloy, Soft Metal, Stainless Steel, Titanium, Zirconium, Cobalt and Nickel Alloy, YF-Weight Backing Weight