Since I the link to this thread on the Australian AP5-AP6-VC Valiant page on Facebook, I received a reply which had details for an Australian company who makes aluminuim ones, (photo below from advert) likely to be the suppliers to Laysons. They sell on Gumtree via this link https://l.facebook.com/l.php?u=http...mMI8a9JSbsK2T27hLy-WxnACSbhZoJe4pe10LDKMPi-N8