They are rusted so badly it's not possible to change bits. I have a set of the Klein side-cutters as well they are just as great as everything else Klein.Did the chlorine compromise the mechanical aptitude of said tools....?
If they still work,... use em.
I usually buy bran new tools everytime I fix something, then either throw them in the river or somehow destroy them with fire, whichever makes me feel better at that moment. Can get expensive.
I had a pair of Klein hardened sidecutters at work; had them 12 years before someone else designated them as their own.......