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These centering rings are 3D printed in the USA using high-quality high-temperature-stable resins. They offer some reflector/LED combinations that are not found anywhere else.
They are designated by reflector opening diameter "ROD" in millimeters, and the metric LED size, such as "3535" or "4040".
Here are the available spacers:
Here are the various LEDs we sell and their sizes:
Here are the various flashlight hosts we sell and their reflector opening diameters "ROD". If you aren't sure which diameter your light uses, please measure it, or contact us:
These rings are very temperature stable, but can be brittle, so please do not bend or pry on them if possible.