Air Loc Brand11.2/12.4-28 11.2/12.4R28 11.2-28 12.4-28 11.2R28 12.4R28 Tractor/Implement Inner Tube with TR218A Valve Stem 11.2-28 12.4-28 Tractor/Implement Inner Tube with TR218A Valve Stem 11.2R28 12.4R28 also fits 280/85R28 320/85R28 May be used in both Bias and Radial Applications