You searched for "socket insert"
S Lilley & Son
GLS Lamp Holder Snap-Fit - 3023E
Part: 3023E
A brass lamp socket that holds standard GLS light bulbs and snaps quickly into place for easy fixture installation.
S Lilley & Son
GLS Lamp Holder Snap-Fit - 1021E
Part: 1021E
A brass light bulb holder that snaps and screws into place, designed to hold standard GLS bulbs for home and commercial lighting.