Manufacturer suggested retail price. $20.86 Features and Benefits: Shark's Carbide Burs are an important piece to proper tire repair. Manufactured in the U.S.A., use these burs to remove damaged steel cables and loose wire in radial tires and for cleaning holes for patching Notched 2" -50mm 5/8" Length 1/4" Diameter Injury Size 1/4" -6mm Round Shank Manufacturer: Shark Industries Ltd Lifetime warranty does not cover abuse