The Cobra Hammer Tacker is specifically designed for heavy-duty professional tacking applications. The Cobra Hammer Tacker features a patented contoured grip with a finger guard that reduces the chance of hand injuries while working. The Cobra also features a reversible striking plate for added life and all steel construction for maximum durability. The tool's balanced design and light-weight allows the user to work with greater ease and less effort. Use 1/4" to 3/8" heavy-duty narrow crown staples.