Features EFFICIENT CAPPING PERFORMANCE: When used in conjunction with an electric capping machine, this capping bit offers a highly efficient and labor - saving bottle - sealing solution. It can quickly and effectively seal bottles, increasing your productivity. HIGH QUALITY METAL MATERIAL: The bottle stopper is made of high quality metal and rubber material, sturdy and durable, not easy to break. It is suitable for all sizes of bottles, with good heat resistance, high mechanical strength and aging resistance. DURABLE CONSTRUCTION: The corkscrew head is crafted from a combination of premium metal and rubber materials, the capping bit is robust and long - lasting. It is resistant to breakage, heat, and aging, ensuring it can withstand continuous use in various environments. EASY INSTALLATION AND OPERATION: With its compact size and lightweight design, the capping bit is easy to install on the electric capping machine. Its simple operation makes it accessible to users of all skill levels, allowing you to seal bottles with ease. WIDE COMPATIBILITY: This capping bit is designed to fit bottle covers with diameters ranging from 10mm to 20mm, regardless of the bottle height. It's suitable for a wide variety of round bottles, including plastic, glass, laboratory test tubes, centrifuge bottles, and medicine bottles. Specification: Item Type: Electric Capping Machine Bit Material: Metal, Rubber Cap Diameter: Approx. 10 ~ 20mm / 0.39 ~ 0.79in Bottle Height: Unlimited Rubber Pad Outer Diameter: Approx. 40mm / 1.57in Rubber Pad Height: Approx. 17mm Package List:1 x Electric Capping Machine Bit Package List 1 x Electric Capping Machine Bit