[Metal Body]: The main body is made of aluminum alloy, which is not easy to wear and burst compared to plastic material, can work in high temperature environment.||[Clear Glass]: Tempered glass is clear and transparent, the oil level can be read easily and correctly in the middle by the sight glass, helping to judge the condition from the outside, high heat resistance, and strong bending strength.||[Good Sealing]: Male thread with an O-ring on the periphery, easy to install and well sealed the oil, corrosion and oxidation. It can provide good sealing performance.||[Wide Applications]: Used widely to check the oil level of the pump in CNC, air compressor, hydraulic machine, speed reducer, mechanical equipment, etc.||[NOTE] Get your air compressor shut down and pressure released when changing oil level sight glass. Please check the thread type and size carefully before ordering.
