Are These Legal?

So i was browsing eBay for random Beyblade items and came across these

http://shop.ebay.com/?_from=R40&_trksid=...eight+disk

I've never seen them before and was wondering if they're actually legal to use to customise Plastic Beyblades?
not in touranaments no sorry.
If they are not made by TT, hasbro, or sonokong, take a guess. This did not need it's own thread if you'd simply read thelightyellz' guide to fakes.