1、METAL MATERIAL: Bottle capping machine bit uses premium metal materials, which are sturdy, durable, wear resistant, and resistant to falling. 2、70 TO 80MM: Electric capping machine bit has a diameter 70 to 80mm, suitable for various sizes of bottle hats. 3、USAGE SUGGESTION: Capping machine bit must be used together with an automatic bottle capping machine (not included). 4、WITH FASTENING RUBBER PAD: Capping machine bit has a special waterproof and leakage proof rubber pad, and the interface is tightened. 5、EASY TO INSTALL: Fine workmanship and standard size make the capping machine bit easy to install for convenient use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.