Handpiece with carbon brush for dental laboratory. It is very popular in U.S.A and Europe. Special ball bearings for less heat and low noise. Bearing can be long used. Spindle is specifically designed preventing dirt and carbon powder and to be lengthened life of bearing. Handle can be twisted smoothly due to the installed ball in the inside of handle. Handpiece is designed European grip. Optional R.P.M 35,000R.P.M - use with all power units for handpiece with carbon brush. 40,000R.P.M - suitable to power units NP3, NP5(S), NP5, DP5, DP6. 45,000R.P.M - recommendable use with power units NP5(S),NP5, DP5, DP6. 50,000R.P.M - recommendable use with power units NP5(S),NP5, DP5, DP6.