eBay

PERFECT REPLACEMENT FIN: This fin is a direct replacement for many off the rack SUPs and longboards. Upgrade to our 9" or 10" fins for even greater hold and drive.
SPECIFICATIONS: Glass Filled Nylon makes this hard plastic fin strong.
COMPATIBILITY: Works on any SUP or surfboard with a standard 8.5" or 10.5" fin box. KNOWN INCOMPATIBILITIES: Some Inflatable SUPs such as the Bali Solstice, AquaMarine SPK2, see our compatibility image for more.
INCREDIBLY VERSATILE: Suitable for Longboard / Surfboard / Stand Up Paddle
FREE "NO TOOL" FIN SCREW: We include our No Tool fin screw and plate set so you can install this on your board right away without any tools.

The Santa Barbara Surfing fin is a perfect fit for Longboards and Standup Paddleboards either with or without side fins. Fits any standard fin box and comes with both the brass slider pin and the fin screw and plate. Great for surfing, noseriding, and flat water touring. Ready to put on your board and get in the water. Direct fit for all standard fin boxes, including BIC Stand Up Paddleboards and other popular Paddle Boards found at REI and other outlets.