saruSURF 9" Center Fin, 23cm Hard Fin for Longboards, Paddleboards, SUPs, AirSUPs, and Raceboards, with Screws

Fin: H = 9" Base = 196 mm x 8.8 mm Pin = 14.5 x 4.5 mm For longboards / paddleboards / airSUPs Made of saltwater-resistant stainless steel. Thread: 3.8 mm diameter x 18 mm Length Nut: 14 mm x 14 mm x 4 mm Height Tool-free fin screw If the size doesn't fit your board, you can adjust the thickness by applying vinyl tape to the base or by sanding it down with sandpaper. Compatible with most boards! Performance Hard type, also compatible with airSUPs! Race boards and more! For longboards, SUPs, and airSUPs [Color] Black [Size] 9" For stand-up paddleboards, Race SUPs / Cruise SUPs If the size doesn't fit your board, you can adjust the thickness by applying vinyl tape to the base or by sanding it down with sandpaper. Compatible with most boards! [Accessories] ・Center fin x 1 (with fin screw)