3 year guarantee Micromotor - 8.4 mm shorter than its predecessor Brushless and therefore hardwearing Up to 40,000 revolutions per minute KaVo suck-back stop to prevent sucking back of contaminated spray water Better handling through elastically rotatable tubing Lighter than 100 grams Very quiet thanks to minimum cooling air requirement Replaceable ball bearings Patented winding. **For further product information, please contact Chat Support**