* Contra-angle block teeth type. * Bur shank: φ1.59-1.60mm. * Air pressure: 2.0-2.5 bar. * Torque ≥0.06N.cm. * Noise ≤65db. * Rotate speed: 300,000-350,000rpm. * Special 45 degree head for improving accessibility to areas at the rear of the mouth, special slot of the handpiece to let the air out avoiding to hurt the throat of patients. * Push button bur locking with anti-heating safety system and it can reduce the risk of burning your patients with your instruments. * Single spray: cooling supplied by four separate ducts, the ultra-precise nebulization cools the bur and the dental material as efficiently as possible. The separate water and air ducts also prevent blockage. * This handpiece is autoclable up to 135℃, sterilized at 121℃ for 20minutes or at 132℃. for 15minutes.