Dental Low Speed Handpiece W&H 1:1 internal water spray ทางน้ำภายใน dental low speed three-piece set 2 holes / 4 holes

Low noise Low speed dental handpiece dentist tool slow dental handpiece Product Features: 1. Internal Spray, sperated water and air supply tubing, better cooling system. Simple to operate, fast to connect. 2. Long lifespan by the Japanese ceramic ball bearing and self-lubricated system on the air motor, low-maintenance. 3. Outstanding appearance, ergonomic shape. 4. Dust-free cap on the head of straight handpiece, hygiene-friendly.  5. Forward / reverse drive. 6. Speed range from 18,000 to 21,000 rpm. 7. One set:Straight handpeice , Air motor, Contra angle Packing: 1.A set low spped including contra angle, straight handpiece and air motor  2.Accessories  3.An instruction book