I was given fiberglass grating tracks years ago to test......I think they are still floating around the garage or maybe I gave them away.
Either way they are good for bridging, jacking and ramps but.......you notice the girl in the wasn’t holding them off the ground out in front of her compared to her wielding the maxtrax around. The fiber falls read are heavy depending which thickness you choose. They are also quite rough on you hands when carrying them around and placing them under the tyres.
I carried a set for a few years....but never used them, much like the maxtrax I have which haven’t been used either.
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