The Towa APF-100 Label Applicator is the industry leading hand-held label applicator. With a unique and patented adjustable sensor that detects the edge of each label, it aplies your labels with great precision to virtually any surface. Just squeeze the trigger and apply. The APF-100 works with label stock that measures between 1.0 inches to 4 inches (25mm to 100mm) wide and an outside diameter of 4 inches (10cm).