Graphite Lube is great for metal to metal or metal to plastic where an oil based lube would be too messy or could damage the plastic. This product has worked great to stop door hinges from squeaking. My only criticism will be the container. It doesn't have a hole anymore so you have to take a needle and put it in a very small point which I found difficult. I also had to do this twice because the first hole was too small and no product came out. After that, you have to be careful as it can spill out in sudden gushes, but that's more typical of the product since it's a powder.
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