Copper Cover For 10mm Back plates 
This copper nut cover is designed to go over the top of the 10mm threaded back plate to hide the brass back plate and the 3 screw holes in the back plate.
Perfect for using with our copper ES and BC lampholders.
Please Note: There may be some marks or blemishes on the copper plating this can be removed with any metal polish like brasso.
Back plate not included.
Outer Diameter: 27mm
Internal diameter: 25mm