That's a Graflex 2773! They used one of those to make Luke's lightsaber in the Star Wars Holiday Special!
I've got a pair of them I've been meaning to lightsaberize for a few years but keep getting distracted by other projects.
I actually finished this a couple of weeks ago but couldn't figure out how to take photos without the blade being horribly washed out, then I forgot about it. But it's (barely) still Pride Month here so, here's a thread of some lightsaber pride flag bladestyles for Proffieboard sabers: