Achieve stability, control, and maneuverability on inflatable paddle kayaks or longboards. Compatible with slide-in base systems, simply insert the fin and tighten screws. The perfect blend of strength and style for your water adventures. Product specifications: Product name: Paddle Board Fin, Product size: about 14.2x18.7cm/5.59x7.36 inches, Product weight: about 150g, Product material: PVC. Packing List: 1 x Paddle Board Fin. Note: Due to different lighting and screen settings, the item color may be slightly different from the picture. Due to different manual measurements, please allow a 1-2cm difference in size. See more product details. 1.Sturdy Construction: Crafted from high-quality PVC, this paddle board fin with enhanced durability and aesthetics, ensuring it stays sturdy and undamaged after prolonged use. 2.Professional Stability: Ensures stability, control, and maneuverability; the excellent addition for enhancing lift and expertly crafted for users of all grades. 3.Widely Applied: Facilitates seamless movements and control, designed for inflatable paddle kayaks and longboards with slide-in base; enhances maneuverability on the water. 4.Convenient Installation: Simply insert the fin into the fin box, tighten the screws, and enjoy quick and easy installation without tools, completed in just minutes. 5.Enhanced Speed Optimization: Minimizes drag, improves water flowing, enhances performance for speed enthusiasts. Stylish frosted cover provides shark skin resemblance.