Dewalt D25304DH XJ - Integrated Hammer Drill Dust Extractor can perform dust-free drilling up to 26 mm in diameter. There is a high-quality HEPA filter that is capable of maintaining efficiency even with the small dust particles. Integrated Hammer Drill Dust Extractor can also do deep drilling up to 180 mm while maintaining a clean environment. Dewalt D25304DH XJ has a quick one-handed release hammer that requires no additional accessories to operate it. It is extremely tough and versatile enough to do all types of applications. DeWalt Hammer Drill has extra comfort and balance due to compact design and low weight.