Available here: http://www.antenocitisworkshop.com/wargames-bases-basing/base-sets.html
All packs are £5.00 (inc VAT) and unpainted.
25mm set = 12 base
40mm set = 4 bases
60mm set = 2 bases
Dimensions:
Diameter - 25mm | 40mm | 60mm
Roadway Height - 3.0mm
Pavement Height - 4.0mm
Kerb Height - 4.5mm
Note that the various drain covers etc match our etch-brass set: http://www.antenocitisworkshop.com/etch-brass-drain-covers.html
The same size and patterns will be on our other scenery, boards and sets also.
/Dee