RACO 1-Gang Metal Old Work Ceiling Fan Electrical Box - your solution for effortless installation of heavy lighting fixtures and ceiling paddle fans! Whether you're working on old or new applications, the Retro-Brace with Box is here to simplify installations. Designed for heavy lighting fixtures and ceiling paddle fans, this versatile brace is the perfect choice for your old or new work needs. With the Retro-Brace, you have the flexibility to adjust it to fit joist spacing ranging from 16 inches to 24 inches. This means you can confidently install it in various spaces without worrying about compatibility. Two 1/2 in knockouts 1-1/2 in depth 16 in joist span, supports 70 lb ceiling fan 24 in joist span, supports 35 lb ceiling fan 16 in joist span, supports 110 lb light fixture 24 in joist span, supports 50 lb light fixture 15.8 cu in capacity Color/Finish Family: Gray Series Name: RETRO-BRACE Sub-Brand: RACO Type: Ceiling fan Assembled Depth (Inches): 1.5 Assembled Height (Inches): 4.0 Assembled Width (Inches): 16 Knockout Size: 1/2-in Maximum Weight Supported (lbs.): 110 Weight (lbs.): 2.24 Construction Type: Drawn Cover Included: Yes GFCI Receptacle Included: No Low Voltage: No Material: Galvanized steel Mounting Type: In-ceiling Number of Gangs: 0 Number of Knockouts/Holes: 2 Old or New Work: Old work Package Quantity: 1 Use Location: Ceiling Warranty: 1-year Weatherproof: No CA Residents: Prop 65 Warning(s): No Safety Listing: UL safety listing UNSPSC: 39121300