MMF Industries Chain-Riter Anti-Microbial Stick-On Counter Pens, Blue Ink, Single Pen (28808) Ideal for banks, retailers, office lobbies, hotel lobbies, tuition offices, unemployment offices, will call counters, temp agencies, or financial institutions Keep your pen from walking away with virtually indestructible 18 inch chain Adhesive-backed base is simple to apply - no screws, no holes