Nokta 9.5" X 5" DD Search Coil SP24 for the Nokta Simplex+ - This is an optional search coil for the Nokta Simplex+ and Simplex+ WHP Metal Detectors. This is a smaller sized coil that will detect individual targets such as coins, relics with great accuracy and is more sensitive to gold jewelry when compared to using a larger coil. Includes coil cover.