Feature:1. This mini linear rail guide is made from premium bearing steel material, which is sturdy and durable.2. The linear rail guide provides high accuracy and stable performance, giving better use experience.3. With professional and premium guide rail, this linear rail guide ensures the high hardness and durability.4. This mini linear rail guide adopts small and lightweight design, suitable for most automation equipment.5. This mini linear rail guide is a perfect and practical tool for DIY project, providing more convenience.Specification:Item Type: Mini Linear Rail GuideMaterial: Bearing SteelRail Height: Approx. 6.5mm / 0.25inRail Width: Approx. 9mm / 0.35inSlider Thread: M3.Package List:1 xMini Linear Rail Guide