This product fixes the material to be processes and at the same time it makes centering. The advantage of this system specially shows itself when making machinings of the materials having different outer diametermeasurements as it implements this process without changing the center. Area of Using: This product is used in various industry machines such as CNC and CNC 5-Axis mechanical milling machines. Entire moving surface is sensitevely grinded and hardened. 5-face-machining of workpieces possible Ideal handling by compact ness The clamping jaws can be turned 180° and thereby enable a higher clamping capacity.