- Apple dental hand piece: push button type. - Head size: standard head. - Fitting: two holes / normal fitting. - Water spray: single. - Wrench type: push button. - Bur size: 1.59 mm - 1.60 mm. - Air pressure:0.18-0.21MPa. - Speed: 350000-400000rpm. - Autoclavable up to 135 C. - Anti-retraction function: three holes on the head to maintain airflow also when the dental unit is stopped, the dirt can come out under the air pressure of instance through these 3 holes. - Made in Germany. **For further product information, please contact Chat Support**