Not long ago, I had the opportunity to try out some newer roofing nailers made by Senco, Makita, and Max. The timing was right because the Bostich nailer I own had gotten pretty beat. When carpenters see it they can't believe it's only four years old, but roofing work is tough on equipment. Dragging a nailer across asphalt shingles is like sanding it with 36-grit sandpaper, and that's before it falls off the roof a few times. Internal wear also shows up quickly, because the average roofer drives a heck of a lot of fasteners. With older nailers, the only way to change the depth of drive was to fool with the pressure setting on your