DEWALT DC411KA 18-Volt Cordless 4-1/2-Inch Cut-Off Tool Plastic / Metal Imported Tool-free bit change for fast and easy bit changing without a wrench Compact and lightweight Manufacturer: DEWALT 6,500 rpm provides high power for cutting and grinding applications Convenient trigger switch with lock-off button for easier gripping 2 position side handle offers greater comfort and control Quick-change wheel release allows tool free wheel removal without a wrench Low profile, jam-pot gear case provides precise gear alignment for a smooth quiet transmission