MGN12 550mm Linear Rail Guide with MGN12H Carriage Block for 3D Printer and CNC Machine

Package Included: 1 × MGN12 Linear Guide Rail 550mm 1 × MGN12H Slide Block  1 ×Extra balls MGN12 200/ 300/ 400/450/ 500/ 550/600mm Miniature Linear Rail Slide + MGN12H Carriage for 3D Printer Accessories. Widely used for Semiconductor manufacturing equipment, printed circuit board IC assembly equipment, medical equipment; machine arm, precision measuring instruments, office automational equipment and other small linear sliding devices.  Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.  Just feel free to place order, and we are here to solve you any questions about our products.