I'm at a point in my life where I value good tools. It's one. It's solid, sophisticated, and remarkably accurate: up to 1/32 inch at six feet, or +/-0.029 degrees. The top and bottom edges are perfectly straight, and the pair of magnets embedded in the base are strong enough to stick to any iron or steel surface, even upside down. It has a hanging hole and a lifetime guarantee. This is one of the few products that gets 5 stars from me.
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