SI single inverted cone, also known as cone drill, is mostly used for pin-opening/trimming shape/concave preparation; Commonly used model SI-47;

✍ Excellent quality and reasonable price.

✍ The maximum speed is to 450,000r/min.

✍ Extral Long Burs FG 1.6mm for high speed handpiece

✍ High-grade stainless steel.It could be disinfected under the high temperature and high pressure.

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