Features: The case of the product is clear and the oil level can be clearly observed at any times, which is convenient for timely refuelling. Professional 1/4inchNPT standard microinline tanks lubricants transmitter, mounted directly on the required parts. It is mainly used for the airs intake of compressed airs tool. Attaches between tool and airs hoses to lubricate the tool during use. The product is made of plastic+metal, which has strong corrosion resistance and overall is very strong and not affected by a slight fall. It is small, lightweight and easy to carry, it can be stored in ordinary bags without taking up space . Specifications: Material: Plastic+Metal Size: As Shown In The Picture Package Includes: 1x Compressed Airs Fog Oiler note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.