Jandorf
2 pack, black, plastic socket knob, with 1/2" extensions, 4/36 female x 4/36 male, replace a broken or worn socket knob, suitable for a variety of table & floor lamp fixtures, makes it easy to turn lights on & off.
Cooper Lighting Halo HLBSL609FS5 Round 6" Slim c-Canless LED Downlights
Leviton 004-3152-8 Porcelain Keyless Screw Terminal Lampholder ~ 660w
Leviton 003-124-D Pigtail Type Incandescent Lampholder
Leviton 019-8101 Lamp Holder, Porcelain
Cooper Lighting HALO SMD6 LED 6" Round/Square Surface-Mount Downlights