20 Pieces Eccentric Spacer, 5mm Bore Spacer Nuts Column Isolation for V groove Wheel Aluminium Extrusion 3D Printer Reprap

Important 3D Printer Accessories: 5mm Eccentric spacers can effectively replace the old one and work with V-groove guide pulley. Helping your 3d printer work better. Easy To Use: Eccentric spacer nuts have a 5mm bore and can be adjusted with a 10mm wrench. Premium Material: Eccentric column is made of iron nickel plating, stable rigidity, lightweight, wear-resistance and rust resistance. Serve you a long time. Wide Application: Eccentric spacer is suitable for most of 3d printer and CNC machine. What You Get: Comes with 20 pieces isolation column for 3D printer. Enough for you to replace old and broke one.