How:* 100% brand new and high quality* Made of high quality material, durable and practical Specification:Size: 38*28mm Weight: 70g Material: high temperature nylon material + copper + aluminum alloy Application: convert simple gas in tank with stable quality. Features: with automatic closing function, when connected to a long gas cylinder, there will be no gas leakage without connecting the burner. Package Included:1*Furnace Head Conversion TipNotes:1. Due to various factors such as brightness of your monitor and light brightness, the actual color of the product may be slightly different from the pictures displayed on website.2. Please allow a slight manual deviation of the measurement in the data.