250mm MGN12 Linear Rail Guide with MGN12H Stainless Steel Black Carriage Block for DIY 3D Printer and Machines(Type H,250 mm)

1 pcs MGN12 250mm linear rail,1 pcs MGN12h Blocks

• 1 pcs MGN12 250mm linear rail + 1 pcs MGN12h Blocks
• There are 2 rubber stoppers on the ends of the rail in case of the block falling off the rail.
• Mgn12h Rail Guide Bearing steel Rail Length: 250mm (9.84"). Block material: Stainless Steel.
• MGN12H ball bearing carriage. Blocks are pre-loaded.Come with some spare steel balls in the package for backup.