Upgraded Sevylor fin, spare red fin for kayak, canoe, paddleboard, and skeg fitments. Compatible with all Sevylor models that have integral fixing points on the hull, including Colorado, Hudson, Adventure, Reef, Rio, Madison, Waterton, and others. Also suitable for Z Pro Tango range of kayaks and many additional models. Tracking fin designed for most kayak boats. Features simple installation and mounting. Helps reduce water resistance, improves tracking, and keeps your kayak moving straight. Made of high-quality PVC material—strong, durable, and sturdy. Lightweight and portable for easy carrying. Specifications: Material: PVC Size (L x H): Approx. 15 x 10 cm (5.91 x 3.94 in) Color: Black Package Includes: 1 x Kayak Skeg with base Note: Please verify the size compatibility with your kayak and note a possible 1–2 mm measurement deviation.