1. Reduce the occupied space and make the vision more beautiful
2. Convenient installation, the use of the built-in type can play a directional role for the linear guide, the fixing screws are faster and more convenient, and the production efficiency is effectively improved
3. The guide rail is not easy to produce dust, which can better protect the linear guide rail, and there will be no foreign objects, which may cause jams
4. Play a protective role for the guide rail slider, the slider will not fall off due to external forces and other factors