Hi mate,
theres a spares place that trade as Colchester spares in a village just outside Colchester, England.......I think they break a few......
I'm on my hol's at the moment, if u can't find em give me a shout.....
They def will post......have used them in the past for my square top........
guess u've tried ebay and checked out google.......also check out homeworkshop.org.uk u can leave a wanted ad there......
hope this helps........
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