2- 20×8.00-10 OTR 350 Mag Tires Turf Lawn Heavy Duty 20×8-10 Tractor ATV. OTR 350 Mag Off Road Lawn Garden Front or Rear ATV/UTV tires are designed with an open, non-directional tread pattern providing superb traction and wear characteristics on various terrain. The 350 Mag is built to RTV vehicle standards and supports greater load ratings than most marketplace Lawn Garden ATV tires today. Offering great traction without the noise of Mud Grip ATV tires, enhanced tread compound to increase tread life.