Descriptions:1.Material: The bung caps are made of quality plastic, strong corrosion and high-temperature resistance, tough and resistant to deformation, which can be service for long time.2.Size: Coarse thread bung cap measures about 2.42 inches(61.5mm) for inside diameter, and 2.83 inches(72mm) for outside diameter. And height of the bung cap is 1.02 inches(26mm); Fine thread bung cap measures about 2.32 inches(59mm) for inside diameter, and 2.87 inches(73mm) for outside diameter. And height of the bung cap is 0.86 inches(22mm).3.Advantages: The bung caps can tightly lock the bucket outlet and seal perfectly, preventing the bucket from leaking during storage. And it can prevent dust and debris from entering to protect the contents of the bucket. The plug caps have clear threads and can be easily screwed in or out of the bucket hole.4.