Up for sale is a Fins Unlimited Joel Tudor "Karma" flex fin, 9.75" in the blue tint colorway — logo and size clearly stamped on the panel. The Karma template has its roots in a Skip Frye-style outline that Joel modified for modern eggs and longboards: upright, moderate base, with a swept tip for flex.
This size is built for performance longboards and step-up eggs, and suits intermediate to advanced surfers who want a fin that holds through turns without feeling stiff or locked-in. The moderate base and flex-oriented tip give a balance of drive and give — enough hold to keep the fin from washing out on faster faces, with a tip that loads and releases for smoother, more drawn-out turns. Works well across a range of conditions, from soft, mushy points to steeper, more powerful waves where some flex helps absorb chop.
This is a single fin, sold individually — no screw/key included unless noted in your photos. Fits glass-on / single-screw US Fin Box setups only — this is not FCS, FCS II, or Futures compatible, so please confirm your board's fin box before buying.