4PK 3/8" Brass Cap Nut

4 Pack, 3/8"D, 8-32 Thread, Solid Brass Ball, Cap Nut, Use For Ceiling Fixtures To Secure The Canopy Or Blank Up, Perfect For Use With A Canopy With A Crossbar Lock Up, Secure The Canopy To The Crossbar With Screws & The Brass Ball Cap Nuts.