o These 320 grade sheet roll s are used for featheredging and primer sanding. o Finer finish and long lasting abrasive sheet roll for featheredging and primer sandingo Stikit(TM) backing for quick and easy pad attachmento Engineered ceramic mineral blend provides best-in-class performance using exactly the right balance of ceramic grain and premium aluminum oxideo Anti-loading coating improves abrasive life while upgraded resins improve durability and finisho Convenient sheet roll format to match sheet length to sanding block