The GREX 71AF is not your ordinary upholstery tool. It's the most compact and lightweight tool of its class with a slim profile that provides maximum visibility of your work. Want to eliminate trigger finger fatigue and carpel tunnel wrist problems? The GREX 71AF has the added function of an automatic firing mode. An easy to use and simple turn dial can adjust the tool to operate in the single fire mode to varying speeds of automatic firing. As part our new patented family of upholstery tools, it offers the benefits of power, compactness, quick air recycling time, lightweight and a slim profile.