I am not a professional in any industry where a level is required. I'm a homeowner who needs it from time to time to hang pictures or do other odd jobs around the house. They are perfect for my needs. I like three. One in the garage, one in the storage box and one in my workshop, one is always handy when I need it. Also, they are so small that they don't take up any space at all. And as if all that wasn't enough, they double as an anxiety tool and I had some fun with them lol.
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