If they are greenish, then they are probably G-10 material.
Some people sand them and some people just ignore the minor stuff.
I fill chips and dings with epoxy and wet sand back to the original profile. Minor scratches at the tip…"
"I picked up a couple of used fins. A Tues Ames 16.5” Sweeper (Glass), and a Fin Works 12.5” weed fin (Composite). Both are in good condition but have some minor scratches and nicks at the bottom (probably from running-a-ground in shallow…"
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