The specifications of reducer plate is as follows
• The metal lamp shade ring reducer is white and black
• Shades with a continental ring size can be converted to standard shade rings.
• 60 mm in diameter
• Metal construction
• Suitable for converting foreign lampshades
• The diameter of the ridged part is 40 millimeters
• 29 mm is the diameter of the hole

.
https://ledsone.co.uk/collecti....ons/reducer-plates/p
.
#ledsone #pendantlampshade #metallampshade #lightfitting #ceilinglampshades #ledlights #ceilinglight