Upper fender mount brackets which are meant for welding to the frame cross bar. Made from 1/4” steel material, which you can cut, grind, file or weld to make them fit. Slightly radiused with two 1/2” spacers so they also fits against ribbed fenders, but can be bent or flattened out to fit the profile of your individual fender.
for Rear fender
steel, bare, mounting hole distance: 2-1/2” = 63.5 mm