Diitao 20PCS 3D Printer POM Wheel Plastic Black Pulley Linear Bearing Passive Round Wheel for Creality Ender 3,Ender 3 Pro,Ender 5,CR-10,Ender 3 V2,CR-7,CR-10S Series 3D Printer

Good Performance:The pulley is made of good material which features sturdy and durable.The pulley wheels can move smoothly with low noise,so it has good wear resistance and can work stably.
Wide Application:They are suitable for 3D printers like Creality series,CR-10 Series as well as engraving machines, hot wire machines,camera sliders, robots, furniture and other machines.
Advantages:The pom wheels are precision made with high printing accuracy.The pulley wheels works smoothly with stable motion,which can improve the printing effect and speed.
Package Included:30pcs POM Pulley Wheels;POM Pulley Wheels Outer Diameter: 24mm(0.94''); POM Pulley Wheels Inner Diameter: 5mm(0.19'');POM Pulley Wheels Height: 10mm(0.39'').
Warm Attention:There is a movable copper ring between the bearings,which is normal.