These spring metal lamp support clips are used to hold linear 2G11 base "Twin Tube" CFL light bulbs. The rubber band shown in the product image is optional and is not supplied with the ALZO 1161 spring metal mounting clips These clips support bulbs are used in all of the legacy ALZO Pan-L-Lite Quad and Twin lights. The early version of these lights used plastic clips and these are replacement upgrades. These metal clips do not degrade from the heat of the bulb and they mount to the reflector plate with small #4 or 3mm screws and nuts.
These bulbs are commonly used in many dimmable video light panels from a variety of manufacturers. These mounting clips support the bulb with about 1cm height.
These ALZO parts are replacements for Leviton 23452-B plastic Screw Mount Lamp Support Clip.