The Arrow HT19 Light Wire Hammer Tacker is perfect for professionals in need of a lightweight hammer tacker. It is designed with the power needed to complete projects quickly. The Arrow HT19 Light Wire Hammer Tacker uses Arrow R19 and Rapid? A19 light wire staples which are the pro?s choice to install insulation. The hammer tacker has a durable chrome plated steel housing, well balanced handle, quick loading magazine, and lightweight design.