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laser level

  1. Tools
    I spent some time pulling apart an old laser levels, and was trying to figure out if it has a Red laser diodes that are almost certainly the most typical kinds of diodes used in the lower end outdoor laser levels or perhaps a 630nm Helium-neon laser I'm sure the wave they work at either 650nm or...
  2. Tools
    I am looking for a laser level, to align my photo and pictures on wall.