35X12.50R18LT 10 PLY BLACK SIDEWALL SUPER SWAMPER M16 These Interco SS-M16 tires have several design features taken from Interco's best performing all-terrain and mud terrain tires. They are highway-friendly and very quiet for tires that have such good off-road performance. Interco SS-M16 tires are excellent tires that bridge the gap between all-terrain and very aggressive off-road tires. Their rugged design will enhance the appearance of any vehicle.