Model:Air Motor
- The interface is compatiable with NSK EX-203 (NSK QD is the trademark of NAKANISHI INC.Japan).
Technical parameter
| ITEM | DESCRIPTION | ITEM | DESCRIPTION |
| Bearing | UK BARDEN bearing | Watercourse | External watercourse |
| Supply air pressure | 245-392KPa (2.5-4kgf/c?) | Rotation speed | 18000-22000 r/min |
| Accessories | water spray nozzle |
The rotation speed is different for different structure of handpiece interface, the length of handpiece and its aging degree