With the use of the precision rotary unit PDE cylindrical workpieces with a diameter up to 134 mm can be rotated with high accuracy. The mounting can be done in horizontal or vertical position on the base plate. The precision rotary unit can be ordered without base plate and without three-jaw chuck. Version: - For individual testings, serial testings with optional accessories possible - Precision rotary unit horizontally and vertically mountable - Material: steel, rust-resistant, aluminium - Finish precision grinded, hard coated - Three-jaw chuck DBF 100 VA, rust-resistant, 100 mm diameter (repetition accuracy 0,005 mm) or three-jaw chuck DBF 140 VA, rust-resistant, 140 mm diameter (repetition accuracy 0,005 mm)