The 3M 3/4" x 18" 120 Grit Coated Zirconia Alumina Fine Abrasive Belt is engineered with an alumina zirconia mineral combined with a grinding aid, delivering enhanced cutting power compared to aluminum oxide for various metal applications. The belt is constructed with a heavyweight cloth backing, offering durability in demanding, high-production settings. The tough alumina zirconia abrasive mineral allows for fast cutting, making it suitable for a range of substrates. It is available in different sizes and grades, catering to diverse requirements in sanding and finishing applications.