Heavy-duty, solvent-proof, resists softening and wear. Durable and lightweight. 3/32 in size for vinyl flooring and floor tile; 1/8 in for carpet and vinyl tile, 3/16 in for wall tile and tile board and 1/4 in for ceramic floor tile. No. 31 for vinyl flooring and floor tile. No. 32 for carpet and vinyl tile. No. 33 for wall tile and tile board. No. 34 for ceramic floor tile.