2 NEW TIRES Gladiator 17580R13 ST 175/80R13 STEEL BELTED RENIFORCED Trailer Truck Tire(s) 6 Ply 6pr 13 Inch 13 " ST175 80R R13 Load Range C LRC inches brand new Gladiator Trailer tires ST 6 PR 13 inch in 13" 6 ply rating 13 " Load range c API Pegasus Achilles steel belted Weight rating 1360/1200 SRW/DRW