FLEX FAM40003 41 41 Pc. Sanding Project Set 10" 1 4in Wiha Terminator Bits 1 4in Wiha Terminator Bits Up to 30 Times Performance Over Standard Bits Impact rated Bits for long Life in impact Applications Standard 1 4in Drive No special Adaptor required Wiha special chrome vanadium molybdenum tool steel Wiha enhanced Bi Material Torsion Zone Precision machine chamfered ends No cut off burrs or impact distortions Through hardened for best wear resistance Case: Wiha Bit Buddy The Perfect Case for your Terminator Bits: Case of Impact resistant or maximum stability This set also provides the adaptable advantage of hook and loop fastening for swappable and secure pad and paper Enhance your sanding performance with the dependability of a Starlock Interface putting maximum power behind your every grain