These washers come in a range of sizes and are used in the construction of chrome-plated metal chandeliers and light fittings.
The 11 mm diameter central hole allows the installation of an M10 electric threaded hollow rod with a 1 mm pitch.

Fifteen plates with different external diameters to choose from, ranging from 30 mm to 200 mm.
Product description :
External diameter: from 30 mm to 200 mm depending on version
 Internal diameter: 11mm
 Thickness: 1mm
 Colour: white chrome
 Material: chromed steel