
I work in a pool type research environment that is heavily chlorinated. We install instruments underwater to a depth of 60 feet. I've had these guys on my BCD for almost a year and they won't even rust in a pool without a fresh water rinse. Even where I welded the retractor loop, they don't rust. Ideal for cutting small cables and cable ties. They appear to be made from martensitic stainless steel so don't worry if they are magnetic as they are still of high quality unlike many cheap ferritic stainless steels.

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