MMF Industries Wedgy Anti-Microbial Coil Pen With Scabbard Base, Black Pen with Blue Ink (28608) Wedgy Secure Pen writes easily  even on thermal paper Pen features specially formulated fraud-resistant ink that helps prevent identity theft and check washing Pen base has EPA and FDA approved antimicrobial technology designed to inhibit bacterial and fungal growth on the pens surface Indestructible coil attaches pen to base Adhesive scabbard base