this be a well make product that have excellent instruction and quality material . we be able to install this on a metal frame and it be very sturdy . it adjust to be perfectly line up with the screen . we have to remove it and then use it for another location and it be easy to remove the mount and replace it . customer service at Vantage Point be very responsive via email and help I get a extension via fedex ground in 3 day . I be very glad I find this company and product and have recommend this mount to friend who have projector . we have a Optima hd65 and it fit perfectly .