Features High and Accurate Stable Performance: Linear slide has high and accurate and stable performance, with excellent workmanship and selected metal materials. Simple and Easy -to -Use: Micro -line -line guide rail has simple and easy -to -use characteristics, with light and delicate appearance, beautiful design. Suitable for Most Automatic Devices: The micro -line guide rail has small size, light weight, suitable for most automatic devices, and the slider can be easily and gently move. Professional Design: Metal linear slide rails adopt professional design, are technical track, have a compact appearance, are easy to carry and use, and can quickly complete loading and uninstallation. Polishing: The linear rails and slide block uses mirror polishing treatment technology, which has good accuracy, polishing, brightness, flatness, etc. Features: 1.Simple and easy to use. Beautiful design. 2.High accurate and stable performance. 3.Professional and technical rail and block, strong and durable. 4.Small size, light weight, suitable for most automatic equipment. 5.Slider could easily and lightly move. Specification: Material: Metal Type: Slide guide rail Slide track: Linear guide rail Accuracy level: H Length(Optional): Approx. 250mm/9.8in, 300mm/11.8in, 400mm/15.7in, 500mm/19.6inch, 550mm/21.6in Installation screw size(not included): M6(Rail), M3(Block) Weight: 217-417g Package List: 1 x Linear Guide Rail 1 x Slide Block Package List