
I recently had a number of construction projects including a couple of sheds and a 1000 square foot house. I bought four of these squares to have on hand for anyone coming to the rescue. We've only used them to mark cut lines on boards, so I can't speak to the tricky corners some people use them for. However, for drawing perfect cutting lines on any board, this square is great. It's lightweight, fits in your back pocket, and is durable. We must have dropped them 1000 times and they are still like new. Note that this square can be used to cut lines at an angle, as a protractor, as a 90 degree scriber, and as a saw guide (holds in place to guide your saw).

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