Miniature/Micro Linear Rail Slider Mgn5c Mgn7c/H Mgn9c/H Mgn12c/H Mgn15c/H for Semiconductor Equipment. 4-Point Contact Design: Bear load from every direction with high rigidity and accuracy. Anti-Corrosion Material: Special grade stainless steel for blocks, rails, balls, and retainers. Custom Length Available: Rail lengths customizable from 0-300mm up to 0-1600mm depending on model. Integrated Lubrication System: Easy oil inlet on the side for convenient lubrication maintenance. Ball Retainer Design: Prevents steel balls from falling out even when blocks are removed. Interchangeable Precision: Available in certain precision grades for easy replacement. Lightweight Construction: Tiny and light weight, ideal for miniature equipment applications. 1-Year Warranty Coverage: Comprehensive warranty covering all products for one year.