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Cartridge Rolls, 80 Grit, 3/8 in. Diameter Tapered, Mandrel Hole, Set of 50

Powerhouse Products cartridge rolls are the good resin bond aluminum oxide cartridge rolls you need to sand finish any port and polish work. They are designed to be used with 1/4 in. mandrels. Powerhouse Products cartridge rolls are available in a multitude of sizes, shapes, grits, and quantities.