This is a dental High Speed turbine handpiecewith Quick Coupler 4 holes which is fit NSK QD-J High Speed. USA Dental High Speed Handpiece Standard /Big Head +Quick Coupler 4 Hole. High Speed Handpiece YBNK4 w/ Quick Coupler 4hole.
Contra Angle handpiece: 1 each. Features about low speed handpiece Idling speed of handpiece should be no less than 370,000 rotations under working air pressure of 25-30 pressure atmosphere. Features about high speed handpiece.
