Note:Support personalized size, the longest 1500mm, please touch usBuy different quantities, contact the seller, the extra the number, the decrease the price1, the equipment contains 1pcs Stainless steel slider and 1pcs handbook rail.2, if there are any problems, please contact me in time. we can be in charge. Please believe me to present you a passable answer.3, the extra quantity, you could possibly touch us, get a less expensive price.4,Note :Our MGN is Light Pre-load not No Pre-load. If you believe the block is slightly hard to go once you received the product ,please press the carriage and movement it for several occasions first ,you also can use some lubricant on the rail or into the carriage , it will be more fluent !Features:High precision and stable performance. Professional instruction manual rail, the slider is strong and durable, and strikes easily with low noise.[Convenience]: Small size, mild weight, smooth to carry and straightforward to operate.[Multipurpose]:Suitable for many miniaturized equipment, semiconductor equipment, etc.Specification:Product name:Miniature Linear Guide Rail Slider BlockMaterial: MetalLength:100-1500mmSize: MGN9C MGN9H Package included:1 x MGN Linear Rail Guide1x MGNC/HSlider Block1 x Bag of FittingsNote:1. Due to guide measurement, please enable a bit error, thank you on your understanding!2. Due to diverse computer screen colors, there could be a slight deviation within the product color, please understand!Welcome to my shopHappy looking