Specification Brand : Atyhao BulletPoint1 : Easy to Install: Light in weight and compact in size, the embedded installation is very simple with fixing screw. BulletPoint2 : Great : Not easy to accumulate dust and better the slide, the slide is not likely to fall off. BulletPoint3 : Slide Rail : Able to the slide in linear direction, the rail can improve the working efficiency. BulletPoint4 : Wide Application: Suitable for CNC engraving machine and 3D slide printer as well, practical and reliable. BulletPoint5 : Better Aluminium: Made of high quality aluminium material, not easy to have blockage, very for long use. ItemName : Atyhao Linear Rail, Slide Rails Rails for Machine 500mm ItemPackageDimensions_Height : 5 centimeters ItemPackageDimensions_Length : 52 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : slide-rails Manufacturer : Atyhao ModelName : Atyhaol1XY0-14 ModelNumber : AtyhaoqMx1-14 PartNumber : AtyhaoqMx1-14 ProductDescription : Specification: Item Type: Linear Rail Material: Aluminium Application: For CNC engraving machine and 3d slide printer.