Dri-Mark® Counterfeit Bill Detector Marker Pen, 3 x 7.25 x 0.6, Black, 50/Pack

• Prevent profit loss with this fast, accurate, effective counterfeit tester.
• Marker pen detects genuine US currency paper. Simply draw a mark on a dollar bill: dark mark means fake; light mark passes test.
• Precision fitted parts ensure long shelf life and no-dry-out if recapped.
• Counterfeit Bill Detector Pen has three times the ink and is almost an inch shorter than previous models.
• For over 25 years, the most widely used point of purchase deterrent against loss due to fake money.

Businesses have counted on the Dri Mark Counterfeit Money Detector Pen for over 25 years - you can too! These are easy to use - just put a small mark on the bill being presented to you. If the ink remains yellow, you know this is real U.S. tender; if it turns black you immediately know not to take the bill. It is that easy and super fast.