The 4 Jaw Chuck Centraliser works by being trapped between the lathe tailstock centre and a centre punched mark on the work piece held in a 4 jaw chuck or on a faceplate. A Dial indicator placed against the centraliser measures the eccentric error as the chuck/ plate is routed, thus allowing correcting adjustment to be made. "Protected" centre at spring loaded telescopic end. Works Quickly and accurately. Precision ground hardened and tempered point. Supplied with a plastic box also. It is available in MT-1, MT-2 and MT-3.
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