•High Performance and high Accuracy : Adapter is attached to CAH power chuck. Performance and quality are identical with CAH and its parts are compatible each other. •Spindle Direct-Mounting type : International standard A-type spindle specification is applied to the mounting face, so it possible to directly attach to short taper spindle. •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.