10:1 Reduction Gear Ratio, Max Speed 625 rpm ：Precise speed control for safe root canal preparation. 90° Reciprocating Motion ：Specially designed for hand-use stainless files, fit K files, H files & K reamers. Push Button Chuck Head ：Suitable for CA burs Φ2.35, easy bur replacement. E-Type Coupler ：Standard E-type interface, compatible with most dental electric motors. External Water Spray ：Cooling for bur and tooth during endodontic operation. Solid Stainless Steel Body ：Autoclavable, corrosion-resistant, long service life. CE Certified, 1 Year Warranty ：Class II medical instrument, reliable quality.

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