
This is one of the smartest tools I've ever owned. I've been using magnetic corner finders for years, but this has taken the roll bar and chassis tube installation to a new and easier level. Take it? Even! Because the V-shaped sides match the tube, I never have to worry about it not being straight. And it holds up much better than flat bottom goniometers. I'll get the flat version soon. Not everything is round, sometimes box tubes, angles or sheet steel are used. It even comes in handy when aligning tools like a drill press or a milling machine. Simply insert the chuck after the table has been checked for level.

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