Features Fast and reliable tube connection components. Made of high quality material, long service life. Simple and quick hose connections without special tools. Fine workmanship to ensure good airtightness. The product is simple and reliable. It is the necessary component to control the air flow. Function: Fast and reliable tube connection components. Made of high quality material, long service life. Simple and quick hose connections without special tools. Fine workmanship to ensure good airtightness. The product is simple and reliable. It is the necessary component to control the air flow. Specification: Material: copper + plastic Application: Air Type: SL4-M5, SL4-01, SL4-02 (optional) Package list: 2 * pneumatic connections Note: Actual product color may vary from photo due to lighting. There may be slight variations in the measurement of the product. Package List