Negative Positive
Title: Save your money
Review: The laser line is just not precise enough for most work. Squaring the tape measure to the board you're working on is not accurate enough to produce a nice square laser line. I was off by an eight of an inch within a foot of the tape measure. I could use another tape measure to square the laser line but then, what's the point. Just make a mark with the second tape measure or just buy a laser line square. If you just want a laser line projector, you could use this unit for that purpose and that's why I gave it two stars instead of one.
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