It is the buyers responsibility to examine all items to determine if an item is safe for use The buyer accepts all responsibility for use of items purchased
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A silly hard to find item. It's just stamped steel and kinda basic. But if you are doing a restoration or build of a bike that has fenders and you want to mount a light (we'd think an old style one most likely) then you need a bracket. This one has bolts and nuts that look very retro (and appear to be M4x.7 thread). so maybe this widget is French? The photos show a typical one we have - there was some oxidation. The last photo shows the bracket after a minor effort to clean it up (you'll possibly need to do that) - it looks really nice! It looks like the bracket is shaped nicely for a 50mm fender when we held the bracket against it. We have a few of these - the photos are representative of what you will receive.
The bottom of the part of the bracket that extends upwards for the light is roughly 20mm wide.