FS-Onyx

The 1/8-inch thickness feels solid without adding much weight, which is exactly what I wanted for my 3.10-inch build. Edges were clean right out of the package, so barely any sanding needed before mounting. Fit my airframe like they were made for it.

Three fins for a 3.10-inch airframe, and they drop right into the slots I cut — no sanding to make them fit. The bevels came out even on all three, which saved me a lot of cleanup time.

The 1/8-inch thickness feels sturdy without adding too much weight to my 3.10-inch airframe build. I've already test-fitted all three fins and they line up cleanly with no sanding needed.