COMING SOON! THE LATEST AND GREATEST IN MICHELIN OFF-ROAD RUBBER. THESE TIRES REPLACE THE POPULAR M12 AND S12 SERIES. "S" STANDS FOR SOFT AND IS DESIGNED FOR SAND, MUD AND LOOSE SOIL. "M" IS FOR MEDIUM CONDITIONS WHERE ROCKS OR HARD PACK MIGHT PREMATURELY WEAR OUT A SOFT COMPOUND. NOT EXACTLY AS PICTURED. A 100 WILL FIT UP TO A 200, THE 110 WILL FIT A 250 & 400 F AND A 250/300 2T AND A 110 WILL FIT A 450 TO 530 4T.