Prema Bias Repair Agriculture #7 • Designed for Use in All Types of Farm Implement Bias Tires • These Repair Units Can Be Used for Repairing Crown, Shoulder and Sidewall Injuries • Install With Prema Ultra Fast Dry Vulcanizing Cement • Size: W 20-1/2" x L 20-1/2" • Ply 6 • Qty / Box 2