Features Easier Capping - Works in conjunction with electric capping machine, capping wick allows efficient and economical sealing of bottles, very useful. GOOD SEALING - The silicone pad ensures leak-proof and leak-free capping, which will make the bottle sealing better after use. WIDE MATCHING Perfectly suitable for sealing various bottle lids from 10mm to 20mm, capping machine allows a wide range of applications. Metal and Silicone: Combining high-quality metal and silicone materials, the plugging drill bit is not likely to break and is very durable for long work. Simple to Install - Designed to have compact size and light weight, convenient installation can be quickly completed. Specification: Item Type: Electric Capping Machine End Cap Material: metal, silicone. Lid diameter: approx. 10 ~ 20 mm/0.39 ~ 0.79 inches. Bottle height: unlimited Silicone pad outer diameter: approx. 40 mm/1.57 inches. Silicone pad height: approx. 17mm/0.67" Work: used with automatic bottle capping machine. Package List: 1 x Electric Capping Machine End Cap Note: 1. Suitable for various bottle covers. 2. Measure the size of the bottle lid before purchase. Package List 1 x Electric Capping Machine Bit