Two ball bearings in the turned, light aluminium hand piece and one in the drive end prevent tool bit chatter. The highly flexible shroud and core effortlessly transmit power without heating up when bent tightly. Anti-kink springs at the grip and drive end prevent kinks. MICROMOT collets 1.0 - 1,5 - 2,0 - 2.4 - 3.0 and 3.2 mm supplied. Length 100 cm.