Features: 100% brand new and high quality. Suitable for split type furnace. Used to change the long gas tank to flat gas tank. AUTO OFF when not connecting the stove. Made of aluminum alloy and copper, solid and firm to use. How to use: Suitable for split burners (with tubes). Screw directly onto the air inlet of the burner, then insert the long can, select 1/5 lap and lock. With automatic closing function, after connecting to the long tank gas bottle, it will not leak if it is not connected to the burner. Specification: Color: yellow, red Material: high temperature resistant nylon material + copper + aluminum alloy Size: 3.5cm/1.38"4.1cm/1.61"3cm/1.18" Weight: about 50g Quantity: 1pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 Stove Burner Adaptor