Fisher Security Operational Test Piece Red. Constructed utilizing the astonishingly trustworthy materials that Fisher Security is renowned for these Fisher Security Metal Detector Parts & Accessories can provide years of reliability and efficient service. For an extraordinary way to ensure you are treasure hunting with resources designed for your metal detector choose the Fisher Security Operational Test Piece. Specifications for Fisher Security Operational Test Piece: Manufacturer: Fisher Security Color: Red Package Contents: Fisher Security Operational Test Piece Fisher Security 08000500000: Operational Test Piece Red