Rema Radial Prevent OTR Tire Repair #175 • Used for Tread or Shoulder Area Repair or for Partial Belt Damage to 57" and 63" Tires • Prevent Repair Units Are Used When There is Damage to the 1st, 2nd, 3rd, and 4th Working Belt, With No Damage to the Body (or Radial) Ply • Size: W 17-3/4" x L 21" • Qty / Box 3