If no sucess here, you can contact them here
Their online page offers little.
http://www.hawid.de/hawid_engl./index_e.htmlI am a huge fan of the HAWID "Open top" mount, but have gone over to use DAVO
mounts, they were cheaper and easier to source, in Australia.
I do not use the self stick, use the older type, and use UHU stick.
http://www.davo.nl/en/home/easy-en.html