We use these daily in our aluminum wheel repair business.i saw some similar on amazon the ones that came it takes 4 to 5 of theirs to do the same as 1 of the 2 sand company the 3m ones are over 40 to 50 a box and I'd say these compare without the pri
They work better than the ones i found on amazon and as good as the 3m for way cheaper thanks 2 sand for helping us save money