The OEM MMF Secure-A-Pen Security Pen MMF28904 is designed for secure and comfortable writing. It features a rubberized grip and ridges for enhanced writing comfort, along with a round adhesive base that secures to any flat surface. The pen includes a ball chain that extends up to 24 inches for maximum desk coverage. Utilizing patented silver-based technology, this antimicrobial pen helps prevent the growth of microbes, making it ideal for use in banks, retailers, lobbies, agencies, and financial institutions. Its unique design includes a built-in refill, eliminating the risk of tampering.