Upgraded Sevylor Fin, Spare Red Fin, Compatible with Kayak, Canoe, Paddleboard, Skeg Fitments: Designed for all Sevylor models with 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 compatible with most kayak boats Engineered for simple installation and secure mounting Helps reduce water resistance, improves tracking, and keeps your kayak moving straight Constructed from high-quality PVC material for strength, durability, and reliability Lightweight and portable for easy transport and storage 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 compatibility with your kayak model prior to installation. Allow for a size deviation of 1–2 mm.