1. Pneumatic pressure: 245-392Kpa (2.5-4.0 kgf / cm²) 2. Water pressure: 198Kpa (2kg) 3. Rotation speed: 22,000-27,000 rpm 4. Chuck type: Latch Type 5. Applicable bar: Φ2.334-2.355mm 6. Noise: ≤70dB