dental handpiece compatible with most units

{"cid":"91222866","title":"Dental High Speed Handpiece Compatible With Most Dental Units Air Turbine Drive 390420nm Wavelength Durable and Dental Instrument","imgUrl":"https:\/\/img.chinax.com\/nimg\/df\/bd\/edfde3d9c32b6279cb5a6c8fe91b-200x200-1.jpg","attrs":{"Bearing":"Ceramic Bearing","Headsize":"Small Compact Head","Rotationspeed":"300,000 - 400,000 RPM","Application":"Dental Areal","Sterilizationmethod":"Autoclave Sterilizable","Noiselevel":"\u2264 65 DB","Wavelength":"390-420nm","Rotation Speed":"\u2265280,000rpm"}}

{"cid":"91221597","title":"45 Degree LED Dental Surgical Handpiece High Speed Air Turbine with 320,000-400,000rpm and Built-in LED","imgUrl":"https:\/\/img.chinax.com\/nimg\/a6\/9a\/45303a922cc982c3858888ae6a76-200x200-1.jpg","attrs":{"Price":"1 - 19 dozens US$ 160","Brand Name":"ANZHE","Model Number":"AZ-X3C","Minimum Order Quantity":"1","Delivery Time":"15 work days","Certification":"ISO","Place of Origin":"Guangdong, China","Payment Terms":"T\/T,Western Union","Supply Ability":"1000pcs\/month","Packaging Details":"15X10X5 cm,3kg","Name":"45 Degree LED Dental Surgical Handpiece","Rotation Speed":"320,000-400,000rpm","Head Type":"45 Degree Surgical Head","Light Source":"Built-in LED","Chuck Type":"Push Button","Spray System":"4 Water Spray","Air Pressure":"0.22Mpa-0.25Mpa","Water Flow":"90-110ml\/min","Coupler":"2 Hole\/4 Hole","Bearing":"Precision Ceramic Bearing","Sterilization":"135\u00b0C Autoclavable"}}