TWO 4.50-10 MRL MTF-257 Tri-Rib Tractor Tires WITH Tubes. Order qty 1 = 2 tires with tubes. These are new 4.50-10 MRL brand F-2 tri-rib front tractor tires. They are 6 ply tube type tires rated for 677 lbs per tire at 65 psi. The two outer ribs on these are broken up to provide more traction and prevent sliding when turning on wet ground.Tread depth new is 13/32. New tubes are included with them, the tubes will have the TR13 stem and I include rim hole bushings so that the tubes will work on wheels with either the small or larger stem hole. If your postal address and physical address are different please let us know.