Crank 'inserts'

Sir HC wrote:

7th link down: http://www.google.co.uk/#hl=en&source=h ... 9076e4ce1f

http://www.tartybikes.co.uk/product.php ... gory_id=55

I've looked quite a lot without any luck. The Tartybikes website you've linked is an old one, it's not listed at all on the website and they're not selling them anymore.
I was wondering if anyone else has needed to get one, what other companys use them and where they are sold.
Thanks