Note: The color of the item may vary slightly due to photography and your own computer_x005F_x005F_x005F_x000D_Feature:_x005F_x005F_x005F_x000D_The sealing is achieved with an O-ring on the periphery._x005F_x005F_x005F_x000D_The outside diameter of these oil level sight glasses with recessed hex design._x005F_x005F_x005F_x000D_The oil level can be read correctly in the middle by the sight glass._x005F_x005F_x005F_x000D_Used widely to check the oil level of the pump in the air compressor._x005F_x005F_x005F_x000D_Specification:_x005F_x005F_x005F_x000D_Material:Zinc Alloy,Glass_x005F_x005F_x005F_x000D_Color:Silver_x005F_x005F_x005F_x000D_Suitable For: air compressor_x005F_x005F_x005F_x000D_Product function: The actual liquid level position screw oil in the oil tank can be placed on the tank sight glass to see, to judge from the outside to run defenders screw oil meets the operating condition._x005F_x005F_x005F_x000D_26x18mm/1.02x0.708(LxW)_x005F_x005F_x005F_x000D_Thread diameter: G1/2_x005F_x005F_x005F_x000D_Weight:47g_x005F_x005F_x005F_x000D__x005F_x005F_x005F_x000D__x005F_x005F_x005F_x000D_Package Include:_x005F_x005F_x005F_x000D_2 x Air Compressor Metal G1/2 Threaded Oil Sight Glass