• Precise rotation adjustment through rotating ring, 3.000 to 21.000 RPM. • Doriot coupling system of the Contra-Angle. • Bur direct fitting which dispenses use of straight handpiece. • Optional with external cooling system. • Work pressure between 43 and 50 pound/inch² (3 to 3,5 bar). • Borden connection (2 holes) or Midwest connection (4 holes). • Body with 20mm of diameter, following international standards.