Just spoken to Chris, he is semi retired but still does some hulls and has some 7". His details are: Chris Brown
Brynsawdde, Llangadog, Carmarthenshire, SA19 9PR
Tel: 01550 777574 Mobile: 07971 718904 .
He does not have a website you can order from but will deal over the telephone.
Hope you can get what you want.