Feature: 1. Used to cool the tool spray when machining machine tool 2. Can be used for small area cooling spray or small area spray coating such as automatic punching, mobile phone back cover grinding. 3. Universal cooling, arbitrarily bent, it is stable and durable. 4. Fine workmanship module for easy disassembly and use 5. The brass spray port is made of brass material, which is of high quality and long lasting 6. The engraving machine spray cooling with special design, easy to operate 7. Suitable for stone and metal engraving machine cooling Specification: Condition: 100% Brand newItem Type: Mist Coolant Lubrication Cooling SprayerSpray Port Material: BrassSteel Nozzle Standard Inner Diameter: 2.12mm Universal Joint Length: Approx. 300mm / 11.8in Inlet Intake Accuracy Throttle Valve: Standard Caliber Intake 8mm, Inlet: 4mm The air consumption of the intake air can be adjusted freely Package List: 1 x Mist Coolant Lubrication Cooling Sprayer1 x Water Pipe