3M 9" X 11" PRODUCTION RESINITE GOLD SANDPAPER - 3M Production Resinite Fre-Cut Gold Paper Sheets 216U utilize a premium, aluminum oxide mineral, an improved paper backing, and total construction that results in the following performance advantages: fast rate of cut, good flexibility, long abrasive life and uniform, consistent finish. Sheet is 9" x 11". Sold by the sleeve of 50 sheets. 5 sleeves per case.