The Redesigned Towa APN-100 Label Applicator is the replacement for the Towa AP65-100, an industry leading hand-held label applicator. With a unique patented 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 APN-30 works with label stock that measures between 2.15 inches to 3.5 inches (55mm to 100mm) and an outside diameter of 4 inches (10cm) on a core of 1 inch (25mm). It has a 1.97-3.93 inch (20-60mm) stroke length.