DEWALT DC495B 18-Volt Cordless 18 Gauge Swivel Head and Shear (Tool Only) Offset shear design can easily turn and cut circles Offset shear design can easily cut through 20ga spiral duct seams Head swivels 360 degree which allows user to access tight quarters while maintaining comfort Strokes per minute: 0-2,300 spm Minimum cutting radius: 1-inch Battery & Charger Sold Separately