•High Performance and High Accuracy : It has the same structure as CGHT power chuck, and guarantees excellent performance and quality. Attachment part and changable parts are compatible each other. •High Performance and High Accuracy : Shortening of changing time - Time of changing chuck can be mnimized as run-out accuracy is kept upon attachment. •Convenient Attachment Option : Because adapters suitable to various spindle specifications can be manufactured and attached, the scope of application is extensive.