Features High-Rigidity Steel Ball Retainer: Ensures safe transportation and easy assembly, providing peace of mind for users. HRC59.5 Hardness: Offers exceptional durability and high-quality performance, ensuring long-lasting use. Stainless Steel Construction: Made of hardened heat-treated materials, providing robustness for a variety of applications, including industrial robots, fitness equipment, and automatic cutting machines. Versatile Application: Suitable for use in industrial robots, plastic machinery, woodworking machinery, and accuracy printers, offering broad compatibility in various settings. Easy Replacement and Installation: Designed with a professional and rational structure, making it effortless to replace and install for user convenience. Features: 1、The slider has a high？rigidity steel ball retainer to ensure safety during transportation and the slider is easy to assemble and safe to use. 2、The hardness of rail is HRC59.5, which makes the product and high？quality. 3、The miniature guide rail series are made of stainless steel hardened heat？treated materials, whether it is a slide rail, a slider steel body and a ball. 4、They are used in industrial robots, plastic machinery, woodworking machinery, fitness equipment, accuracy printers, automatic cutting machines, etc. 5、With professional design and reasonable structure, the guide rail is easy to replace and install. Specification: Item Type: Linear Guide Rail Product Material: Stainless steel Product Model: MGW9C-300-2R Slider Size: Approx. 38.3x30x9mm / 1.5x1.2x0.4in Number of Sliders: 2 Slide Rail Size: Approx. 300mm / 11.8in Slide Rail Fixing Bolt Size: M3x8 Package List: 1 x Linear Guide Rail Package List 1 x Linear Guide Rail