China Precision Workholding System Inc (CPWS) offers the Precision Pneumatic chuck,manual chuck to increase productivity on machine tools such as lathes, mills and grinders. What sets this chuck apart from any other is the high repeatability of .002mm and the flexibility of 4 x 90 degree indexing. Now factor in the 10,000 N clamping force and the uses are endless. Some of the key features of this chuck are its low profile design, and ease of use in an automation setup. CPWS also offers customized adaptation to your specific machine. CPWS is compatible with EROWA ITS tooling system,System 3R, at lower cost, good quality ,