UPSURF Surfboard Fins Twin fins Set(2 Fins) Double Tabs Fins-Solid Fiberglass MR Size duoble Tab2 fin Thruster (Blue,White,Green Single tab)

["Compatible with Single tab fin box. (Note: This product does not include a fin box.)","Easy to use: No tools are required for installation, the installation work is very easy, saving time and facilitating assembly.","Wide range of uses: Double Tabs Fins2 is suitable for all kinds of surfboards, and the double fin design improves playability and allows you to easily perform various surfing movements.","SIZE: Fin width 12.8cm. Fin height: 14.2cm. (MR) MATERIAL: The fins made of high quality fiberglass are strong and provide strong support and balance in different wave conditions, giving you a stronger feeling of control.","DURABILITY: Tested and thrashed by UPSURF professional group to make sure what buyers ordered are durable enough for usage."]