Blade Holders with high pressure internal For VDI radial tooling turret VDI double serration for higher flexibility Valve to switch external coolant supply on/off Nozzle for external coolant supply Screw for center height adjustment Adjustment range for parting blade For VDI face tooling turret VDI double serration for higher flexibility Screw for center height adjustment Valve to switch external Nozzle for external coolant supply on/off coolant supply Adjustment range for parting blade 2