Comparing the two levels I received at a really good level of carpentry, one was 90% accurate and the other far. Good enough for my purposes (finding a level spot while parking my RV) but your mileage may vary. Now I see 4 or even 8 of these being sold in a pack. It's terribly wasteful to just "deliver more" instead of fixing the quality control problem. We're only going to throw away half of it. I'd pay twice as much if I knew I could get an accurate, compact level, but there don't seem to be any such levels on this site. Everything I found had conflicting reviews. sad
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