It works great. I was looking for an inexpensive low-profile mount and this fit the bill perfectly. I was able to adjust it just as I needed. The only problem I have with it is the bolts need to be very tight into the ceiling so it doesn't rotate since the bolts go through the arced slots.

Used two of these the yesterday to mount projectors in a church with slanted ceiling. No problems! Used the Chief CMA395 slanted ceiling component. Easy to mount to projector, projector had 3 mounting points. I used 1.5" EMT conduit pipe with threaded adaptors. Picture was taken before painting pipe and cleaning up cables.

Worked great for our Mitsubishi wd8700u. These projectors are 35 pounds and this thing, although lightweight and slim, are holding up great!