Feature:1. ANODIZED TREATMENT: Made of good quality aluminum alloy material, with anodized treatment, which will not fade2. EASY TO INSTALL AND USE: The end cover can be easily fixed with screws, which is convenient for you to install and use3. USED IN INDUSTRIAL CONSTRUCTION: Widely used in the construction of industrial aluminum frame structures, 3D printers, and 3D engraving machines4. FOR CNC MACHINES: Can also be used for CNC routers, CNC cutting machines, CNC plasma cutting machines, robot projects5. 4080 DOUBLE HOLES: The model is 4080 double holes, a total of 5pcs aluminum end is enough for you to useSpecification:Item Type: Aluminum End Model: 4080 Double holesMaterial: Aluminum alloyPurpose: end Package List:5 x Aluminum End Note:Please match the correct size before use.