They are one unit, a number of laser manufacturers make them, exceptionally handy for bathroom tile work and cabinetry mounting. I have a Bosch red laser unit that does the same pattern plus a red spot directly above and below the unit (for simultaneously marking floor and ceiling, since its easier to find center of a room on the floor then use the laser to transfer point to the ceiling, for thing like fans).Ok, the green alignment lasers are really cool, is that all one alignment unit? How do you center it up and get it on axis?
But on the other hand, severely disappointed that you're not clustering 33 motors... (Tom ducks and runs away...)
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