These sockets have had their design changed to a non-angled socket geometry. There is nothing special here. I tested 10mm on a rusty but not rounded heat shield bolt and the socket just rounded the bolt and the socket itself has some damage. It was with a 1/4" ratchet. Not happy with that and will be sending it back. I think the notched design in the photos is Redai's, but I have no idea if it's any better. Perhaps the design change should be an improvement and maybe you don't have the sticker sizes you need either.
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