Taper Shank Tool Holder Projection 139.50mm Coolant Fed Coolant Through Nose Dia 50.00mm Compatible with Product Type Hyper Quadrex 450 M Machine Series Megaturn Nexus 900 M Machine Series Quick Turn Nexus 300-450 M MY Machine Series Slant Turn Nexus 500 Machine Series Slant Turn Nexus 550 M Machine Series