Our 3M Hookit Blue Abrasive Disc 321U delivers best-in-class performance at every stage of paint prep and body repair. Premium aluminum oxide mineral abrasive is blended with ceramic grain for a full range of automotive sanding applications. Specially-designed multi-hole pattern reduces loading, extends disc life and aligns with most backup pads. Hookit attachment makes disc changes easy. Part of our full line of 3M Blue Abrasives, the 3M Hookit Blue Abrasive Disc is engineered for best-in-class cut, life and efficiency across your entire shop. The disc features a tough ceramic blended with premium aluminum oxide mineral for just the right balance. 3M Blue Abrasives deliver consistently excellent results in a minimum amount of time, on jobs ranging from aggressive paint removal and fresh filler sanding to blend preparation and sanding primer. Discs are available in a wide range of sizes and grades.
A best-in-class abrasive for the entire repair and paint prep process
Engineered ceramic mineral blend is balanced for maximum abrasive performance in its class
Multi-hole pattern delivers excellent dust extraction and reduces loading
Anti-loading coating prevents dust and debris from clogging the cutting surface
Paper Grade: 800