The tie wheel is designed with plastic material and is detachable. The winding mouth is made of all metal, the rubber handle is comfortable to hold and not easy to wear This automatic air conditioning pipe winding machine is suitable for winding central air conditioning connecting pipes and large square wire pipes If You Have Any Questions about this product, please feel free to contact us! The switch button handle of the electric cable tie machine adopts ergonomic design, which feels comfortable and the speed can be adjusted The handheld electric winding machine uses a 1500ah lithium battery power supply and a special thick copper core motor. It is powerful and can wind 20 meters of pipe in 1 minute. It is a time-saving, labor-saving and efficient tape winding tool