KeeYees 5M GT2 Timing Belt 6mm Width + 4pcs 20 Teeth 5mm Bore Belt Pulley Wheel + 4pcs Idler + 4pcs Tensioner Spring Torsion + 2pcs Gear Clamp Mount Block with Allen Wrench for 3D Printer RepRap

Product Review

Packing list:

1x 300mm MGN12 Rail Guide + MGN12H Carriage

Surface technology: Anti-oxidation by electroplating (nickel plating)
Rail guide material: bearing steel. Rail guide length: 300mm
Block: MGN12H ball bearing carriage. Block material: Stainless Steel. Blocks are pre-loaded
Suggested to use M3 T nut and screws if you fix it to 20 series EU Al-profile
There are two rubber stoppers on each side of the linear rail, it can prevent the carriage block from falling out, pls contact with us if you have any products questions, we will try our best to deal with it.