Heavy-Duty Brushed Aluminum Pen with Agion antimicrobial technology stands upright on a solid aluminum cube-shaped 1-1/2" base. Pen is secured to base with high-tech 24" nylon-coated aircraft cable. Base mounts to counter with adhesive & / or screw (included). Agion antimicrobial technology suppresses growth of algae, mold, mildew, fungi & bacteria that may cause unpleasant odors, discoloration, staining deterioration & corrosion. Pen includes a special locking mechanism that prevents tampering.