Features 1. This linear stage is made of high quality aluminium alloy material, which is sturdy and durable. It is not easily damaged and corroded, has reliable quality and long service life. 2. Excellent manufacturing process with black anodized surface, which has precision machining and stable performances, and can provide you with a superior using effect. 3. Widely used in production machinery, inspection equipment, optical laboratory precision measurement, fine-tuning displacement, mechanical equipment positioning and movement, etc. 4. Quality Guarantee. We have faith in our product and always back it up with trustful customer service, please reach out to us if you have any questions or problems about our products. Specification Material: Metal Color: Black Package Includes: 1 x Displacement Platform