... instrument 3.stable quality Linear slide set, sports module, double guide rail module1. Mechanical torque, apply to the re-load ... occasions, the current module the larger size2. Double guide rail design, suitable for electronic equipment assembly and production set ... slippery course,Slider design4. Using the C7 level screw, white room special grease(Optional C5 level screw)5. Height: 80.5 mm ...