<b>Product Features:</b><ul><li type=disc>The 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-d<li type=disc>Engineered ceramic mineral blend is balanced for maximum abrasive performance in its class<li type=disc>Multi-hole pattern delivers excellent dust extraction and reduces loading<li type=disc>Anti-loading coating prevents dust and debris from clogging the cutting surface<li type=disc>Upgraded resins improve durability and finish<li type=disc>Hookit attachment makes changing discs fast and easy

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