| Management number | 236290405 | Release Date | 2026/07/09 | List Price | US$43.75 | Model Number | 236290405 | ||
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Squaretail upright fin for speed and drop-knee turns.
The OP Fin is upright for fast release from the tail with snappy, drop-knee-style turns and classic speed. Moderate flex keeps things controlled yet lively — designed specifically for squaretail boards where you want crisp direction changes and responsive tail surfing.
| Height | 9.5–10" |
| Base | 6.3" |
| Thickness | 12–13mm base, 6mm tip |
| Flex | Moderate — controlled and lively |
| Rake | Low to moderate |
| Construction | Handmade fiberglass, USA |
Best for: Killer, Chop Op, squaretail Operator variants.
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