Low Speed Handpiece Dental Apparatus with CE (LS-H), 1.One set:Straight handpeice. Air motor , Contra angle 2. Description :Screw type ,Low Speed Handpiece 1:1 Ratio,with Internal Cooling System 3. Air Pressure:2.5-3.0 kgf/cm²) 4. Water Pressure: 198Kpa (2kg) 5. Rotation Speed: 18,000-21,000 rpm 6. Chuck Type: Latch Type 7. Bur Applicable: Φ2.334-2.355mm 8. Noise: ≤70dB