Length: 3; ISO 254/014; Recommended Speed: Less than 450,000 RPMTrimming & Finishing Hybrid Diamond Points are designed with ultra-fine grit for fine adjusting and preparation for polishing in aesthetic dentistry. Computerized manufacturing for the precise amount of diamond particles Precise concentricity—smooth and long-lasting performance Grits diamonds are available in super fine (SF) Use T&F Hybrid Points for enamel, porcelain, and composite finishing