Universal Safety Propane Filling Adapter/Adapter for 1Lb Heater Tank Cylinder Solid Brass Bottle Adjusting Valve Accessories Features: Solid brass construction makes it corrosion-resistant. A built-in safety feature that will ensure you never fill a smaller tank. The adapter automatically shuts off the gas flow when the pressure is reached. It has a soft half nose, the rubber ring allows for proper sealing. It fits all one-pound tanks and easily refills one-pound bottles. Descriptions:Built heavier, bigger and safer than others. Good workmanship ensures a long service life. This adapter allows you to fill a 1 lb cylinder tank. Specifications:Material: Metal BrassSize: 61*29*33mm Color: Gold Package Included:1 x Propane Filling Adapter/AdapterNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee that the style is the same as shown in the pictures.2. Due to manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks!