Features for dental handpiece:- High speed handpiece - 2-hole standard push button handpiece- 3-way water spray- It has unique appearance design and fluent outline.- Smooth as silk， it has excellent texture.- With people-friendly design， easy for operation.- With best quality cartridge， easier for cleaning.- With high-speed turbine rotation， it has better performances.- Chucking power of chucking needle is 20N-45N. - It is noise-free and stable. - Applicable Bur: 1.6mm and should be conformed to ISO standard.- Idling speed of handpiece should be no less than 370，000 rotations under working air pressure of 25- 30 pressure atmosphere.- Special for operations such as clamping high-speed dentistry machine needle to drill and grind teeth in department of stomatology， it is more professional.- It is only for people who have dentistry medical qualification.