COXO®  Inner Water Spray Fiber Optic Contra Angle CX235-1C Push Button  FeaturesModel: CX235-1C1. NSK S-Max M25L Style2. Fiber Optic (inner water spray) 1:1 direct drive inner channel contra angle3. Optic fiber inner channel push button contra angle4. For CA burs Ø2.35-0.016mm5. Clean Head System6. Push Button Chuck 7. Single Water Spray8. Ceramic Bearings