【Sustainable】 : Made of high quality stainless steel, which is anti-corrosion, abrasion-resistant, shiny and durable. 【Removable】 : Ergonomic design, easy to install and convenient to remove. 【High accuracy】 : High quality stainless steel needle micrometer valve with high precision, easy CO2 release by fine adjustment. 【Practice】 : special grinded metal surface, lightweight, easy to use. 【Agrees】 : various styles to choose from, to meet your different needs.