Features: Fit most manual or spectrum projector screens on market, suitable for home, office, classroom and more. Supports up to 80lbs. Not easy to fall, more secure: use mountaineering buckles to mount movie screen, prevent screen from falling, more secure and more beautiful. Adjustable hooks secure screen to wall. Easy to assemble, we provide all necessary hardware to make your screen hanging. Securedly mounts to wood studs, sheetrock with anchors (anchors included), brick walls, or concrete walls. Highly steel L-brackets will successfully secure screen and keep projector screen away from wall. Specifications: Size：about 15.24x11.94cm/6x4.7in Component:Metal Quantity: 2PCS Package Includes: 1Set Projector Wall Mount Bracket note: Due to the problems of lighting effects, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.