The spare parts of ADB handpiece used in chuck system were all imported from Bien Air. All components of Model-AX, Model-AZ and Model-AD series (AX means Mini head, AZ means standard head, and AD means large head). 1, 2-Hole or 4-Hole Available with quick coupling. 3, Noise lever: 68 dB.Quick coupler with build-in anti-retraction system. 6, Sterilization by autoclave at (135). 8, CE Certificated Mark 0123. And the CE Mark is 0123. This SINOL high speed handpiece is manufactured by imported technology and equipment from Europe Famous Company. The item "SINOL Dental High Speed Air Turbine Handpiece with 360 swivel coupler ADS-4" is in sale since Tuesday, February 23, 2016. This item is in the category "Business & Industrial\Healthcare, Lab & Life Science\Dental Equipment\Handpieces". The seller is "sino-dental" and is located in FAST DELIVERY CN. This item can be shipped worldwide.