Bought new and paid for, but obviously sent used! Don't know durability, haven't used it. I'm thinking about sending it back, but I'm afraid that the replacement is also usable! Dimensions are in millimeters, not inches, and are not intended for the US market. You can use them but be aware they look cheap, not very sharp, I think they dull easily and there's a good chance you'll end up with a used item instead of a new one!
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