Create idea 20pcs Eccentric Spacers 5MM M5 Bore Carbon Steel Nickel Plated Fit for V groove Wheel Aluminium Extrusion 3D Printer Repra CNC

[Wide Application]:Eccentric spacer is fit for most of 3d printer and CNC machine. [Function]:5mm Eccentric spacers can effectively replace the old one and work with V-groove guide pulley. Helping your 3d printer work better. [Sturdy Quality]:Made of carbon steel and nickel plated, stable rigidity, lightweight, wear-resistance and rust resistance, high strength and hardness, durable and long lasting. [Easy Installation]:Eccentric spacers have a 5mm bore and can be adjusted with a 10mm wrench. [Sufficient Quantity]:Package includes 20 pieces of eccentric spacer nuts for 3D printer. Enough to meet your needs.