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Tailstock 4th Axis for CNC Router Engraver Milling Machine Replaceable center,With a taper shank morse 
80 three-jaw A-axis
Clamping range 2-63mm
Clamping range 25-70mm
Center height 65mm
Gross weight: 10kg

80A axis three-jaw chuck + center
Center height 65mm 
Speed ratio 6:1
Through hole 16mm
Extended clamping range 2-63mm.
Supporting range 25-70mm
Gross Weights :16kg