RUKO 101087PRO Ultimate Cut Step Drill Set, (6-12, 6-20, 6-27mm)

The ULTIMATECUT step drill revolutionizes the work process and sets new standards in machining time with time savings of up to 75%.  The step drill from RUKO achieves this through its revolutionary cutting edge geometry by combining the most diverse applications and tools.  This means less tools needed, no tool changes and ultimate flexibility.