Oil Level Sight Glass 1/2 Thread For Numerical Control Air Compressor Hydraulic Press Oil Level Gauge Sight Glass Features: * new and high quality * The body is made of aluminum, which is less prone to wear and tear than plastic materials. * The outer diameter of the oil level sight glass is designed with an inner hexagon. * The external thread has an O-ring, which is easy to install and has a good oil seal. * Tempered glass has high heat resistance, strong bending strength, and can work in high temperature environment. * The tempered glass is clear and transparent, and the sight glass in the middle can read the oil level easily and accurately, which is helpful to judge the situation from the outside. * Widely used in oil level inspection of numerical control, air compressor, hydraulic press, reducer and other pumps. Specification: Material: aluminum, tempered glass Thread size: 1/2" Hex Width: 26mm / 1.02" Overall height: 17mm/0.67in Package Included: 1 * Oil level sight glass Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data. _x000D_