Suggested title:Projector Stand Adjustable 360 Degree Projector Ceiling Bracket Wall Mount for BenQ UNIC Excelvan LCD DLP Projector Features: 1.Suitable for home theater, conference rooms, AV rooms, media centers etc. 2.Elegant aluminum and steel projector brackets, for ideal for residential and commercial projectors. 3.Full 360 rotation, easy to install. Specifications: Material: Aluminum alloy + Plastic Extend: 20-40cm version Outer diameter:28mm/1.1''inch(about) Inner tube Diameter:24mm/0.94inch(about) Maximum weight: 3 kg Package Included: 1x Ceilling Projector Bracket (The projector are not included.) Note: 1.Transition: 1cm=10cm=0.39inch 2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!