ZITHER Large Thru-Hole (Open Center) Wedge Type Power Chucks are ideal for high speed universal machining requirements. These are manufactured out of high quality alloyed steels which are tested metallurgically and physically before processing. All the parts are suitably heat treated and are precisely ground to perfection which ensures high accuracy and a long service life. These chucks are to be fitted with suitable adaptor plates / mounting flanges, depending upon various spindle sizes. All sizes in Power Chucks are available in 2 – Jaw (OCPC-G2), 3 – Jaw (OCPC-G3) & 4 – Jaw (OCPC-G4) configurations except 110mm size in which 4 – Jaw is not available.