Compatibility n adjustment: Projector screen mount hangers compatible with manual, pull down or spectrum projector screens with j hooks. Projector screen hooks can be adjusted by your fingers easily with wings easily. Bigger size: 11-inch projector screen L-Brackets bigger than other 6-inch brackets allowing projection screen 4.3-10 in (11-25cm) away from the wall to avoid chalkboard, shelf or other objects on the background perfect. Higher quality: The projector display mount made from quality thickened cold rolled steel with stainless white coating fit you white wall perfect. Maximum loading up to 132lbs. 66lbs / 30kg per bracket. So secured. Various installment ways: 3 Different installing ways, like the pictures, as projector screen wall mount or projector screen ceiling mount for TV Wall, corner, drywall, window side, background. Many accessories, Hooks with wings, Gaskets, Screws and Wall Plugs / Screw Hole Fillers for drywall or concrete to make installment easily. Excellent service: 1-Year-replacement / refund. ISO9001 quality and Lifetime Tech Support. Just email us, our Professional Service Team is always here for you.