Built to Last 100% Aircraft Aluminum (6061-T6) Construction Easy to Install All the necessary hardware included. Detailed instructions for easy and quick installation. Extension Length Telescoping Extension sets the projector approximately 13 inches to 20 inches away from the ceiling in 1 inch increments Perfect Fit This mount is designed to fit the projector models listed in the title only. If your projector make and model is not listed, this mount may not fit. The projector plate you receive may not resemble the plate shown in the picture(s), but it will fit the projector models listed here. Compatible Projector Models Sony VPL-EW435 EW455 EW575 EW578 EX430 EX435 EX450