The 28mm 1:56 "Millstones" 

The "Millstones" are a single piece castings. Masters by Charlie Foxtrot Models, casting by Debris of War. 

Suitable for many periods and theatres as a bit of scatter. 

Approximate size:

Diameter : 30mm

Thickness: 6mm

The coloured painted examples are decorating the base of the "Spanish Windmill" also available on this site.