Universal Bracket Projector Screen Hanger Adjustable Ceiling Mount for Projector | eBay
Howonder SPS-506D Ceiling Speaker Mounts, Speaker Ceiling Mount Bracket Compatible with Most 8" 10" 12" 15" Speakers. Hold up to 100lbs,(2 Packs Black) : Amazon.de: Elektronik & Foto
Angled L Ceiling Hanger Brackets For Suspended Ceilings
Universal Bracket Projector Screen Hanger Adjustable Ceiling Mount for Projector | eBay