... .High speed 350,000-450,000 rpm under air-pressure of 200-250Kpa3.Working life about 6 ... dental turbine handpiece, such as KAVO,NSK,W&H,BIEN AIR, MIDWEST,STAR,FARO,ADEC,SIEMENS,LARES,etc. ... ".250".1094" Smooth3.1756.352.78 1Bien Air Ondine,Prestige, NSK, W&H, CanistersGrooved3.1755.972.786.351.78Integralsame ... 50.4Integralsame as #11Unique Smooth3.1757.9383.571 1Bien Air (1/8")(5/16")(9/64") .125".3125 ...