18.4-42, 20.8-38, 23.1-26, 23.1-30. Many sizes of gaint agricultural farm tires, competitive price ... excellent traction, rideability and self-cleaning property.SIZE: 9.5-20, 9.5-24, 10.0/75-15.3-10, ... 9-24, 14.9-26, 14.9-28, 14.9-30, 15.5-38, 15-38, 16.9-24, 16 ... .9-28, 16.9-30, 16.9-34, 16.9-38, 18.4-26, ... 18.4-30, 18.4-34, 18.4-38, 18.4-42, 20.8-38, 23.1-26, 23.1-30CERTIFICATES: ISO, ...