Features: - Unique, flexible discs easily adapt to irregular, convex, and concave tooth surfaces. - Excellent polishing effect. - Super-thin polishing discs create natural interproximal and labial contours. - Standard color coding for simplified selection of the correct polishing discs. - Use at 10,000 rpm to 15,000 rpm. Set contains: - 10 x Blue Polishing Discs No. 1.731 - 12 mm. - 10 x Green Polishing Discs No. 1.732 - 12 mm. - 10 x Yellow Polishing Discs No. 1.733 - 12 mm. - 10 x White Polishing Discs No. 1.734 - 12 mm. - 10 x Blue Polishing Discs No. 1.731 - 14 mm. - 10 x Green Polishing Discs No. 1.732 - 14 mm. - 10 x Yellow Polishing Discs No. 1.733 - 14 mm. - 10 x White Polishing Discs No. 1.734 - 14 mm. - 1 x Mandrel No. 1.121 (RA Type).