W.m. Tanktobowl Kit

3-1/2"O.D. x 2-1/8"I.D. x 1-1/8" double thick sponge rubber gasket with hex recess and bolt kit. Bolt kit includes two 5/16" x 3" brass tank bolts, 4 cloth reinforced rubber washers, 4 heavy round washers and 4 brass hex nuts. . Fits most close-coupled toil ets.