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Review Summary
The Crimson CA8HD Heavy Duty 8x8" Ceiling Adapter for Long Drops is compatible with all standard 1.5" NPT interfaces weighing up to 500lbs. Adapter mounts to any wood joist, structural wood, or structural concrete (accessory required). Side load stabilization for extra long extension drops and staggered hole pattern to help prevent stress fractures and avoid steel rebar in structural concrete.