Toyo Tire M-55 ALL WEATHER is an all-season tire for heavy-duty vehicles and commercial application vehicles. Its rugged lug and block tread design provide superb traction and excellent handling in snowy, muddy, dirty, and off-road terrain surfaces. With the Three Peak Mountain Snowflake Symbol, M-55 certifies winter efficiency. M-55’s tough and wide steel-belt construction provides stability and increases durability.