Carbide Cutter for Tire Repair - Choose Size Carbide Cutters are used to drill out the injury hole to the correct size in order for the patch plug or plug to fit securely without any leaks. Using the incorrect size could result in a failed tire repair. ALWAYS wear proper safety and eye protection Specifications: Maximum Recommended Operating Speed: 1,200 rpm The chart below lists which carbide cutter to use with each quick change adapter. To purchase the corresponding quick change adapter, CLICK HERE Part # Length Shank Size For Injury Size Use with Quick Change Adapter CC3 3″ 1/8″ (3mm) 1/8″ (3mm) 14-332 CC4.5 3″ 3/16″ (4.5mm) 3/16″ (4.5mm) 14-333 CC6 3″ 1/4″ (6mm) 1/4″ (6mm) 14-334 CC8 4″ 5/16″ (8mm) 5/16″ (8mm) 14-335 CC10 4.5″ 3/8″ (10mm) 3/8″ (10mm) RE5196593 CC12 5″ Varies 1/2″ (12mm) Compliance and Restrictions: ⚠️WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov