NEW 15 INCH 225/75-15 TOWMASTER TRAILER TIRES 8 PLY RATED LOAD RANGE D ST 225/75R15 Manufacturer/Model: Tow Master Radial Trailer Tire. This is NOT a Bias ply tire. Size: 225/75R15 Quantity: The price for this offer is for ONE tire Ply Rating: 8 Ply rated load range D