Electricians and DIYers - this COREX swivel hanger is exactly what you need for hanging lights and fixtures! Designed for standard 4-inch square electrical boxes, this galvanized steel cover with malleable iron swivel hub makes installation a breeze. The reducing bushing lets you use it with both 1/2-inch and 3/4-inch threaded nipples and conduit. The 20-degree swivel range is perfect for sloped or slanted ceilings where you need to hang things straight. Use it for lighting fixtures, exit signs, security cameras, speakers, motion detectors - basically any electrical device that needs hanging from overhead. The zinc plating provides corrosion resistance so it lasts for years. Makes professional-looking installations simple whether you're working in commercial spaces, homes, or industrial settings. No more struggling with awkward hanging solutions - this hanger cover does the job right!