EDIT: We bought all 3 sizes available at the time, 30 was the first, see below. The other 2 came in today and they are SO BAD. No consistency, no quality control. Send back every 3rd Chiaogoo what you need. The 30mm hook is NOT 9" long as advertised. The ad says 9" but I haven't noticed until now when I double checked that the ad actually says 9"/20cm. I totally missed it OR it wasn't there when I originally ordered it. 20 cm is actually 7.8 inches. But this hook is not that long, just over 7 inches. I really NEED 9 inches so I'm sending this back based on that. The top of the hook isn't nearly as smooth as I'd like, but that's not a big deal. The interior is riddled with splinters and extremely rough spots. It's hard to see in the photos but if you look closely you can see all the white areas, these are rough spots that totally ruined my yarn when I tried it out to see if I could see it obviously in the wrong size so I didn't SHOULD send it back. Normally for the price I would leave it and just sand it myself BUT since it doesn't even fit I won't waste my time.
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