The DEWALT 18-Gauge Brad Nailer DCN680 drives 18-gauge brad nails from 5/8-inch to 2-1/8-inch, making it ideal for fastening decorative molding, casing, kitchen crown, and shoe molding. With its brushless motor powered by a DEWALT 20V MAX lithium-ion battery, the DCN680 is ready to work without the need for gas, compressor, and hose. Tackle jobs both large and small with the features of a pneumatic tool and the freedom of cordless. - Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.