Model:Low-speed Handpiece
- 1:1 Ratio
- External Watercourse: It cools effectively the treated area and the bur.
- Pull type interface and it is compatible with NSK EX-203 (NSK QD is the trademark of NAKANISHI INC.Japan).
Technical parameter
| ITEM | DESCRIPTION | ITEM | DESCRIPTION |
| Bearing | Japanese Bearing | Watercourse | External watercourse |
| Composition | Air-motor, straight handpiece, contra angle | Accessories | Front cap spanner,water spray nozzle,oil spray nozzle |
| Supply air pressure | 245-392KPa (2.5-4kgf/C?) | Rotation speed | 18000-22000 r/min |
The rotation speed is different for different structure of handpiece interface, the length of handpiece and its aging degree.