Features: Instant Verification: Equipped with special ink, these counterfeit detection pens allow you to swiftly verify the authenticity of money. With a simple swipe, you can confirm if a bill is counterfeit or real within seconds. Plus, the marks fade away after a short period for unblemished bills. User-Friendly Operation: These pens are designed for ease-of-use, instantly detecting counterfeit bills with just a small line. A black line indicates a fake bill, while a gold line signifies that the bill is genuine. Profit Protection: Even identifying just one counterfeit bill pays for this entire 12-pack of pens. It serves as an affordable insurance against counterfeit money that can be conveniently placed near your cash register or carried in a purse or car. Durable Design: The pens feature professional round tips that won't easily dent or dry out. Widely Usages: Suitable for various currencies like Dollars, Euros, and RMB among others. Perfect for small businesses and anyone dealing with cash transactions. Specification: Quantity: 12pcs Pen Weight: about 7g Pen Size: 148x11mm Package Size: 15x13cm/5.9x5.1in Package Weight: 87g/3oz Packing list: 12 x Counterfeit Pen