This laser pen is great. It comes in handy when stuck in a small traffic jam. I used it to see if I had bad fusion connections and it lit them all up like wood. It's too strong, the light seeps through me and makes me think they were all bad. I ended up using a Corning Laser and found them to be fine. It can help with other things like locating the fiber, but I wouldn't trust it for troubleshooting.
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