Markal12-Pack White Paint Markers - Permanent, Waterproof & UV Resistant for Metal, Wood, Tires - Home & Industrial Use, Fade-Resistant, Made in USA - Works on Oily, Icy, Wet, Dry & Cold Surfaces

Very Good

These paint markers write clearly on any surface—wet, oily, or cold. The ink is bright, permanent, and doesn’t fade. Perfect for shop, garage, or outdoor use. Great quality and made in the USA!

Just wanted to add on here for cnc grinding wheels. We use these on the stone "aluminum oxide" grinding wheels. We hold it to the wheel as it spins and it colors it Blue. Then we can visually see if the profile on the wheel is complete. The coolant wont wash it off which makes it ideal for it. The blue is still there,then we have to dress the wheel more. When the blue is gone,the wheel is ready for Grinding.

We ordered 4 different colors of markers. They work well for what we needed, but they arrived in a soft sided envelope with the box open so they all fell out.

My husband works on 18 wheelers so I ordered these for him and he loves them

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We use these to mark logs to size when we put in our winter supply of wood. They work well but I think they are a bit spendy. I had saved them in my cart & by the time I actually ordered them the price had gone up considerably.

Good