I had to attach a pair of Big Blue 33000P to the shelf. It seemed like a good bet for a fraction of the cost of a Nauticam gun. The big difference between them and the Real Thing is that the ends of the balls are bolted on instead of being one piece with the rest of the hand. With 3lb bulbs on the ends of the shoulders, they just unscrewed the bullets and I couldn't control the headlights. I ended up holding a flashlight in each hand and trying to juggle the camera with the dynamic interaction of how the light arms folded. Not optimal. So if you're using tiny lights, say little Sola 3800's or something, I'm sure they will fit. But if you have something more substantial, plan on shelling out $50 each to get the original.
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