1、EASY TO INSTALL: The linear rail slider is easy to disassemble and install, convenient to exchange, with surface oxidation and rust prevention treatment, stable and reliable in operation. 2、THICKENED MATERIAL: The linear guide rail slider is made of thickened bearing steel, which is not easily damaged, sturdy and stable, with strong rigidity and long service life. 3、4 POINT CONTACT: The carriage block adopts 4 point contact design, which can withstand loads from all directions for smoothly pushing and pulling, and stable guidance. 4、HARD STEEL BALLS: The linear block adopts G10Z4 precise high hardness steel balls, with multiple rows that do not get stuck, low friction, low noise and low resistance. 5、AUTO CENTERING: The carriage slider has automatic centering ability, high positioning accuracy, and is not prone to slipping deviation, can achieve μm accuracy.