Provide five interface specifications of 4mm, 6mm, 8mm, 10mm, and 12mm to meet the connection needs of most devices. Made of high-quality 304 stainless steel, it has excellent corrosion resistance and oxidation resistance. Adopting a quick insertion and extraction structure, no wrench or sealing tape is required, saving time and effort in installation and maintenance. Suitable for connecting air compressor pipelines, automation equipment air circuits, and pneumatic tool air supply systems., Manufacturer: wenwendianzi