The 3M 1/2" x 18" 36 Grit Coated Zirconia Alumina Very Coarse Abrasive Belt features a robust alumina zirconia mineral that delivers increased cutting power compared to aluminum oxide, making it suitable for applications across various metal types. The belt is constructed on a heavyweight cloth backing, which offers enhanced durability in high-production environments, allowing it to withstand demanding usage without premature wear. The tough alumina zirconia abrasive mineral ensures efficient cutting and is effective on a variety of substrates.