This new medium crown stapler is designed for fastening shingles, panels, and sheathing. It can fire 16- and 17-gauge 7/16-inch staples from 1 to 2 inches in length. It weighs just over 5 pounds and has a narrow nose for getting into tight corners. According to the manufacturer, the gun can drive up to 10 staples per second in bump-fire mode. The metal magazine holds up to 160 staples. Price: $239. COO: Taiwan. 800-543-4596. senco.com.