Features: brand new and high quality Pure copper filter: filter impurities in the liquid to prevent pipeline blockage. Precision Throttle Valve: The precision throttle for valve for air intake and liquid can be reused, plugged and unplugged many times, and will not fall off and leak. Arbitrary twisting: The universal joint has good performance, does not leak air, twists arbitrarily, and is easy to fix. Copper connector: The connector is non-slip design, convenient to use, and durable. Application: Suitable for cold cooling of tool spray during machine tool processing, such as Jingdiao high-gloss machine, aluminum processing machinery. CNC computer gongs, CNC lathes, etc. for engraving, drilling, tapping, decontamination, cutting and other processing. It can also be used for small-area cooling spray or small-area spray spraying, such as automatic punching machines, and polishing the back cover of mobile phones. Specifications: Material: Plastic, Brass Style: with Magnetic Base/without Magnetic Base Inlet Diameter: Approx. 8mm/0.31inch Liquid Inlet Diameter: Approx. 4mm/0.16inch Package Includes: 1x Mist Coolant Lubrication Spray System note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.