100% brand new and high quality Durable Material: Made of brass, easy to use and durable. Use with any standard camping propane gas tank. Airgun propane fill adapter, store silicone oil and lubricate with refilled propane. Non-leakage Design: When not in use, silicone oil will be mixed with propane. Silicone oil will not leak out of the valve stem. Mixing Propane and Silicone Oil: Only when you press the valve stem, the silicone oil will flow out together with the propane and enter your cartridge. Material: Brass Color: As the Picture Shows Model: Brass, Aluminum Alloy Product Dimension: approx. 2.6x2.6cm/1.02x1.02inches Net Weight: 75g/0.17lbs 33g/0.07lbs Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 1PC Propane Filling Adapter