* Kavo push button type,with quick coupling; * AIR PRESSURE AT THE BACK END OF HP: 206-231 KPa (2.1-2.35 kgf/cm2); * AIR PRESSURE AT THE GAUGE IN THE DENTAL UNIT: 277-316 KPa (2.8-3.2 kgf/cm2); * WATER PRESSURE: 198Kpa (2 kg); * ROTATION SPEED: 300,000-450,000 rpm(standard); * HEAD HIGHT: 15 mm(torque) & 14.5 mm(standard); * HEAD DIAMETRE:φ12.5 mm(torque) & φ11.2 mm(standard); * BUR APPLICABLE: φ1.59-1.6mm x 21-23mm(diameter x length); * NOISE: ≤70dB