Feature: 1. CROSS ROLLER: The Z axes manual linear stage is a cross roller design, with 100μm parallelism, has light weight, stable structure and easy adjustment. 2. ALUMINUM ALLOY: The main body is made of aluminum alloy material, with black anodized finish, scratch, drop and corrosion resistant, has long service life. 3. MICROMETER KNOB: The Z linear stage is controlled by micrometer knob, with high accuracy, glossy sliding, large load resistance and stable movement. 4. HIGH ACCURACY: The manual slide stage has compact structure, with precise scale, easy to operate and observe, to ensure the accuracy of measurement. 5. MULTIPLE USAGES: Can be used for optical instruments, measuring instruments, semiconductor manufacturing, microscopes, photographic equipment, etc. Specification: Item Type: Z Linear Stage Main Body Material: Aluminum Alloy (black anodized) Parallelism: 100μm Movement Direction: Z Axes . Package List: 1 x Z Linear Stage Note: The minimum reading of the micrometer knob is 10μm. Although the scale has the repeatability of the position, due to the structure of the lever principle, the position of the stroke is slightly different from the lift of the scale. Please refer to the scale of the micrometer knob.