3d printer roller linear guide rod linear bearing shaft 8mm 10mm

3d printer roller linear guide rod linear bearing shaft 8mm 10mm, US $ 3 - 4 / Meter, LINEAR, Building Material Shops, Machinery Repair Shops, FoodBeverage Factory, Restaurant, Home Use, Retail, Food Shop, Printing Shops, Construction works, EnergyMining, FoodBeverage Shops, Advertising Company, RST