https://dev.nsiindustries.com/product/round-metal-swivel-fixture-hanger-3-4-for-mounting-lights/
Ball type swivel fixture cover with 4” round or octagonal box cover is used to mount pendant or fluorescent lighting fixtures to a ceiling box. It has a maximum swing of 20 degrees from a vertical position.
https://dev.nsiindustries.com/product/square-metal-swivel-fixture-hanger-3-4/
Ball type swivel fixture cover with 4” square box cover is used to mount pendant or fluorescent lighting fixtures to a ceiling box. It has a maximum swing of 20 degrees from a vertical position.
Bridgeport Steel “S” Hooks are made for hanging lights, signs (and more) to Jack Cable or mounted hanging fixtures. Each “S” Hook has a maximum safe load of 25 lb