Removable fin design - Fin with a removable design that is easy to install and swap, making quick changes to suit different boards, riding styles, or conditions. Works well as a spare or replacement fin for surfboards and paddleboards. Stability and control - Large rowing slot provides superior stability and precise control during paddling, helping you maintain tracking in varied water conditions. Durable and wear-resistant - Made from durable, robust material that resists wear, offering reliable performance and a long service life as a replacement fin. Easy to use as a paddle water divider accessory - Designed for simple installation and use, fitting into standard surfboard accessories setups and meeting common requirements for fin upgrades and replacements. Replacement and compatibility - Serves as a dependable replacement fin for surfboards and paddleboards, supporting ongoing performance and board versatility. Use scenarios - Beginner balance training on flat water: use the fin to increase stability while learning paddling technique and board control. - Recreational paddling or touring: improves tracking and control for a smoother, more confident ride in varying water conditions. - Travel or multi-board setups: carry as a spare fin and swap quickly between boards or conditions without tools.