Features METAL AND RUBBER MATERIAL: The electric capper head is made of metal and rubber material with exquisite craftsmanship, which can be used for a longer period of time. GOOD ADAPTABILITY: Our handheld electric capper head can be easily used together with the electric capper, good adaptability. CAP DIAMETER: The electric capper head has available cap diameter of 20‑30mm, which can be used in conjunction with the actual situation. RUBBER PAD: The handheld electric capping machine head has a rubber pad that makes the head waterproof and leakage proof, and the interface is tight. LIGHTWEIGHT: Our electric capper head is lightweight overall, very easy to carry and install, and can be easily stored when you don't need it. Specification: Item Type: Capping Machine Head Material: Metal, Rubber Lid Diameter Available: Approx. 20-30mm/0.8-1.2in Bottle Height: Unlimited Rubber Pad Outer Diameter: Approx. 40mm/1.6in Rubber Pad Height: Approx. 17mm/0.7in Overall Height: Approx. 113mm/4.4in Package List:1 x Handheld Electric Cap Sealing Machine Head Package List 1 x Handheld Electric Cap Sealing Machine Head