The Winco PPM-2 is a reliable counterfeit money detector designed for quick and accurate identification of fake currency. This pack includes two black detection pens, each engineered to provide instant results. Simply mark the bill with the pen; a color change indicates authenticity or potential counterfeiting. Ideal for businesses and individuals alike, the Winco PPM-2 ensures peace of mind during transactions. Available in bulk with a quantity break at 18 packs, it’s a practical choice for high-volume environments.