Transtar 9183 Low Spot Finder Guide Coat is a fast drying black guide coat designed to help technicians identify low spots and surface imperfections on primed panels. It sands easily and will not clog sandpaper, allowing smooth and efficient surface preparation. The quick drying formula is ready to sand in minutes, reducing guesswork and improving finish quality. Ideal for collision repair and refinishing, this guide coat provides a clear visual reference to ensure surfaces are properly leveled before topcoat application.