Product name: Butane tank gas refill Valve adapter Product size about :1.7*0.8cm/0.66*0.31in Product colour: As shown in the figure Product material: Brass product features: 1. Convert inflatable, more convenient to use 2. Can not be inflated in reverse, the cassette tank is inflated to the outdoor tank Small and easy to carry 3. It may not be commonly used, but it is very convenient when needed Precautions: As we all know, the different computers display colours differently, the colour of the actual item may vary slightly from the following images. Shipment includes: 1pc Butane tank gas refill valve adapter