Jandorf
1/8 male x 1/4-27 female, brass finish, lamp reducer, use in lamps & ceiling light fixtures to convert from a larger size ip lamp part to a smaller size ip lamp nipple.
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