New parts, when ordering larger numbers, please contact us.
|Outer Diameter (cm):||7.3 (2.9 inch)|
|Internal Depth (cm):||0.7 (0.3 inch)|
|Diameter of opening (cm):||1.0 , M10 (0.39 inch)|
White coated cover plate.
To be used in finishing old lighting repairs.
You can file out the opening if you need a larger diameter (such as M13).