Description: 【Material】: This linear rail is made of bearing steel material, processed by fine technology, strong and wear resistant, with long service life, MGN12H model, 100 mm/3.94 inch marking length 【High Performance】: Linear guide rail slides smoothly, uses a self centering function to accurately and quickly position, has high load capacity, and can replace the slider or guide rail separately 【Professional】: Linear motion slide rail is professionally manufactured, with stable performance, using a wire cage structure to prevent steel balls from falling off, light and flexible 【Easy to Install】: The installation of a linear sliding guideway is simple and convenient. Place the slider parallel to the guide rail, and gently push it into the guide rail to successfully install it without any steel balls falling off, saving time and effort 【Wide Application】: Linear guide rail is widely used in machine that require accurate linear motion, such as automation equipment, CNC machine tools, precision measuring equipment, and other machines that require accurate control Specification: Material: Bearing Steel Size Chart: 11 cmx3 cmx2 cm/4.33 inchx1.18 inchx0.79 inch Package Includes: 1x Linear Guide Rail Note: Please allow slightly errors 1-2cm differences due to manual measurement.