..

Check their websites. Rocna have included a comprehensive West Marine
anchor test on their site.
http://www.rocna.com/press/press_0612_wm_ym_testing.pdf

Hope this helps.

I think you'll find the data published on the Rocna site differs slightly
from that published by Sail magazine. There's a certain, say, selectivity .
.. .

Read the notes to 'anchors' on Wikipedia for the full sordid story.

I think the reality is that there's little to choose between the many recent
anchor designs, Spade, Bugel, Rocna, Manson, Bulwagga. But they're all
improvements on older designs . . .
--
JimB
Google 'jimb sail' or go www.jimbaerselman.f2s.com
Compares Cruise areas of Europe