The DEWALT 18 gauge brad nailer (DCN680) drives 18 gauge brad nails from 5/8" - 2-1/8" which makes it ideal for fastening decorative moulding, casing, kitchen crown and shoe moulding. With its brushless motor powered by a DEWALT 20V MAX* lithium-ion battery, the DCN680 is ready to work without the hassle of using gas or a compressor and hose.