CoolSpeed CM-CV-R016-040- Fluid & Air-Mist High-Speed Spindles; Drive Type: Coolant/Cutting Oil; RPM: 75000.000; Compatible Tool Size: 3mm; 4mm; 6mm; Shaft Diameter: 16.000; Wattage: 300.000; Operating Pressure Range (psi): 145-870; Application: Cool