I used this mount for my ViewSonic PJD7828HDL projector. This projector only had 3 holes to screw in the bracket but that wasn't a problem as the projector wasn't heavy at all. It took me a little while to figure out how to access all the mounts and I had to remove one of the four mounts on the projector, but the mount came with a lot of extra hardware for special circumstances. I had to use a couple of shims from the kit to re-set things (probably not what they were originally intended for) but it worked fine. It was nice, that they included so many extras that I didn't have to go to the store to get it working. I wish there was an easier way to just remove the projector when I need to change the lightbulb, but this mount is still pretty good. I have a hook system that works fine, but you have to use an Allen key to loosen a couple of screws first, so I taped the key to the bracket for easy reference. If the mount had a spring clip to hold the allen wrench I would give it 5 stars. loosening a few screws first, so I taped the key to the bracket for easy retrieval. If the mount had a spring clip to hold the allen wrench I would give it 5 stars. loosening a few screws first, so I taped the key to the bracket for easy retrieval. If the mount had a spring clip to hold the allen wrench I would give it 5 stars.
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