I read another review that said they weren't 304 but thought they might have been shipped by mistake. So I ordered screw hooks and I can confirm that this product is not 304 stainless steel. Look at the photo. Left is a 304 screw hook. Right is from a 12 pack I ordered from Revain. Note that the right eye is magnetized and has a blue zinc sheen, while the left screw is non-magnetic and color neutral. I'll admit the hook with the right screw costs half as much so I'm giving it a 4th star for value. It's durable, but I can't use it for projects that require long exposure to the weather.
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