1、[GOOD PROTECTION] Protects the guide rail slider, the slider will not fall off due to external force and other factors, with stable structure. 2、[EASY OPERATION] The built in type can guide the linear guide rail, and the fixing screw is faster and more convenient. 3、[NO BLOCKAGE] Not easy to generate dust, which can better protect the linear guide, and is not easy to block or wear. 4、[ALUMINUM MATERIAL] Made of excellent aluminum material, which has light weight, corrosion resistant and long service life. 5、[MULTIPLE USAGES] Commonly used in CNC laser engraving machines and 3D slider printers, with strong practicability. 1 x Rail Profile Item Type: Linear RailMaterial: AluminumApplication: CNC laser engraving machine, 3D slider printer