External water coolant

Midwest 4 hole / 2 Hole

Air Pressure: 245-392Kpa(2.5-4.0 kgf/cm²)

Water Pressure: 198Kpa (2kg)

Rotation Speed: 22,000-27,000 rpm

Noise: ≤60dB

ISO E Type to connect with all straight and contra angle (NSK, KaVo, Sirona, W&H, Bien-Air)