51144-02138 3M Paper Sheet 346U,2-3/4"x 17-1/2"40 D-weight Please log in to see price or purchase this item Quantity discounts available QuantityPrice SKU: MMM5114402138 Qty On Cart Features An aluminum oxide open coat sheet constructed on a D weight paper backing. Features Back FeaturesAn aluminum oxide open coat sheet constructed on a D weight paper backing.