Soft Sups Center Fin Surf Fins Key benefits Made with durable materials to deliver reliable performance in river running and longboard surfing. Standard compatibility: fits standard longboard fin boxes, provides a secure fit, and allows easy installation. They stay in place during your ride for confidence on any wave. size and weight: measures 7 x 14.2 cm and weighs 150 g, balancing maneuverability with stability for precise turns and control. Sleek design: available in black, yellow, and green, offering a stylish appearance on your board. Specifications and features Brand/model: Soft Sups Center Fin Surf Fins Compatibility: standard longboard fin boxes Size: 7 x 14.2 cm Weight: 150 g Colors: black, yellow, green Use scenarios River running: designed to endure rough water conditions while delivering steady performance and reliable hold. Longboard surfing: provides responsive turning with stable feel in typical longboard surfing conditions. Board and travel: easy to install and swap.