Electric-powered, brushless air-driven motor. KaVo fitting. 8.4mm shorter than its predecessor. Very quiet due to minimum cooling air requirement. KaVo suck-back stop to prevent sucking back of contaminated spray water. Better handling through elastically rotatable tubing. Replaceable ball bearings. Maximum torque of 2.7Ncm. Speed range of up to 40,000rpm. 36 months warranty.