When performing Rubber Manufacturer’s Association (RMA) approved tire repair procedures for pneumatic tires, having the right patches and plugs is essential. STEELMAN 1-3/4-Inch Universal Tire Repair Patches are one half of the 2-piece repair for tire injuries up to 1/8-inch (3mm) that exceed 25 degrees off perpendicular. The premium blue vulcanizing gum on this patch will vulcanize either chemically via cement or in a heat cure system to create a permanent repair. Perfect to repairing radial and bias ply tubeless tires on automobiles, trucks, ATVs, and motorcycles or to repair tubes on bicycles and other tires. Comes in a box of 50 patches.