Durable Vinyl Coating: Black vinyl coating prevents scratching boat sides and won't wear down over time from repeated use and water exposure Reflective Prism Tape: High-visibility prism tape on fin attracts fish from distance for increased strikes and better trolling success Keel Stabilization: Integrated keel keeps weight tracking accurately behind boat and prevents cable twisting during trolling operations Tapered Hydrodynamic Design: Streamlined shape tracks straight regardless of trolling speed for consistent depth control and performance Moderate 8 Lb Weight: Suitable for moderate-depth trolling in freshwater and light saltwater applications with good tracking