Apple Contra Push Button Su

Contra 4 holes push bottom Apple Dental Airrotor Handpiece PUSH BUTTON Type Head Size : Standard Head, Fitting : Two Holes / Normal Fitting, Water Spray : Single, Wrench Type : Push Button, Bur Size : 1.59 mm – 1.60 mm, Air Pressure :0.18-0.21MPa, Speed : 350000-400000rpm Autoclavable upto 135 C Content : 1x Push Button Type Handpiece #SU, 1x Head Opener, 1x User Manual Anti-retraction function:three holes on the head to maintain airflow also when the dental unit is stopped,the dirt can come out under the air pressure of instance through these  holes. Made In China - صنع في الصين