December 23, 2009

3-In-1 No Rust Shield - Review

no_rust_pkg.jpgWhen 3-in-1 sent us one of their No-Rust Shields to test out they had no idea that we would put it in an unwinnable situation, a situation so brutal that there was absolutely no chance for success. We felt that the one way to test this little tool was to break its spirit, totally demoralize it, and then punch it in the face. If you're not familiar with it, the No-Rust Shield is a little gizmo that you put in your tool box or your gang box or your tackle box (or wherever) and it prevents rust from building up on the metal in that space. It's meant for normal day-to-day levels of moisture, not the 98% humidity that we subjected it to. So, we essentially knew that the item was doomed from the start, but we thought the manner in which it let out its dying breath would be indicative of its quality as a tool.

According to 3-In-1, the No-Rust Shield (NRS) works by (we're not joking here) sending out "metal-seeking vapor phase corrosion inhibitors" which form a layer of protection around whatever metal it is that you're trying to protect. Sort of like midi-chlorians of the tool world.

For our test, we took two Ziploc bags and put about 1/2 cup of water in each. We then put a handful of nails in each bag and in one bag we placed the No-Rust Shield (NRS). We closed up the bags and positioned them in a way that neither the nails or the NRS was exposed to direct water. That was about two months ago.

no_rust_bag_nrs.jpgno_rust_bag_control.jpg

We watched the test diligently for about two weeks. At that point, the control nails were fully engaged with rust and the NRS nails were just starting to show signs of falling victim themselves. We had big plans of taking a ton of photos of the progression, but it was at that point that (honesty alert) we completely forgot about our test. And then we were driving home from work the other day and, "isn't there something I should be remembering now....oh yeah." So we revisited the corner of the shop with the bags and at first glance, it looked like the NRS had completely succumbed to the rust and the game was up, but upon closer inspection, there were still patches of untouched metal on the NRS nails. Very interesting. We pulled the nails out and took some photos.

no_rust_rusty.jpg

The water was now rusty in both bags, so we filtered it out and dried the results. We took some photos of that too. So, as you can see, there is a difference in the results. The NRS works. Not under impossible conditions, but it does work. If our results were translated into a box of nails or a box of router bits, we're convinced that the items would stay rust free. Or at least rust free for the 90 days that the NRS lasts for. Thankfully, the NRS also has a strip that turns red to indicate that when it's time to get a new one.

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Honestly, our test was barbaric to the No-Rust Shield. We created a situation that is so unlikely and so brutal that it would really never be a real-life situation. If you're someone who is going to take the time and effort to purchase a No-Rust Shield, you're not going to be the type to store your tools in a bucket of water. But even with the punishing test, the No-Rust Shield displayed its effectiveness by putting up a good fight, even if it ultimately shared the fate of Tennyson's Light Brigade.

The No-Rust Shield goes for about $5 and is available at Amazon.com

Read More in: All Reviews | Hand Tools | Sharpening

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Posted by Doug Mahoney at December 23, 2009 7:10 PM

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Recent Comments

I have a stainless steal flat grill perfect for pancakes, tacos or fajitas. After using the grill i clean it with a grill cleaner, a brick and I finish with vinegar. I do however have to clean before each use as no matter what a bit of rust seems to always build on it. Any advise?


Posted by: matt at April 13, 2010 3:57 PM
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