Are you positive it's nitrile? I get that the color is grey or black vs the red or orange, but how do you/we know the grey/black is nitrile and not silicone? Are you just assuming this from the color of it?
Are you positive it's nitrile? I get that the color is grey or black vs the red or orange, but how do you/we know the grey/black is nitrile and not silicone? Are you just assuming this from the color of it?