High quality carbide rotary files, ideal for elongating strut holes on many vehicles. Use when installing 82110, 82120,and 87350 adjusters. May be used with 14 or 38 drills at high speeds. Available individually. Use with 85774 Cool Tool cuttingfluid. Set Includes - 85126 - 14 Rotary File MAX. OPER. SPEED9000 RPM, 85127 - 38 Rotary File MAX. OPER. SPEED9000 RPM, 85128 - 58 Rotary File MAX. OPER. SPEED7000 RPM ......CAUTION Always wear safety glasses when using cutting or grinding tools and equipment. California Residents WARNING