Two ball bearings in the turned, light aluminum hand piece and one in the drive end prevent tool bit chatter. The highly flexible shroud and core effortlessly transmit power without heating up even when bent tightly. NOTE: Tool and stand are not included Anti-kink springs at the grip and drive end. Spindle threaded (M8 x 0.75) for keyless chuck #PS28941. MICROMOT .04", .09" and .12" (1.0, 2.4 and 3.0mm) collets are supplied. #PRO28628 Price.....$42.99 Proxxon Index