3M 9″ x 11″ PRODUCTION PAPER SHEETS – 210N, 336I, 346I AND 346U is for dry sanding only by machine or hand. For use on Fiberglass, wood or metal. Open coat with rough aluminum oxide mineral. Sheet is 9″ x 11″. The 210N Series is on “A” weight backing paper, 336I is on “C” weight backing paper, and the 346I and 346U Series is on “D” weight backing paper.
PN#’s 02103-02113 are sold by the sleeve of 100 sheets
PN#’s 02115-02119 are sold by the sleeve of 50 sheets