MGN12H Linear Rail Guide 600mm with Carriage Block for DIY Printer and CNC Machines (Type H, 600mm)

1*MGN12H Linear Rail Guide 600mm+1*MGN12H Carriage Block Using excellent steel materials,long-lasting. High stiffness,high accuracy,smooth running,low noise. Come with some spare steel balls in the package for backup. Professional and technical rail and block,suitable for most automatic equipment.