The Finjak Tool-Free surfboard fin installation device replaces the metal plate and screw of your single fin longboard, midlength, 2+1 surfboard or SUP.
Effortless to install, remove, or adjust your fin in seconds, the FinjakTool-Free is the perfect fin bolt replacement that every longboard, midlength & retro board rider needs to enhance your sessions and dial your fin and surfboard perfectly to your taste.
*Photo is enlarged to show device design
