The Hilti DD EC-1 is a diamond core drilling machine designed for wet drilling. It’s a highly efficient tool used for drilling through tough materials such as reinforced concrete, steel, marble, and other hard surfaces. Here are some key features. TOPSPIN Kinematics: This technology provides deliberate orbital movement of the core bit, reducing vibration and noise 1. Automatic Water Management: The drill has an automatic electronic water management system that collects dust in water, which is then flushed through the system, eliminating the need to stop and empty a dirty water tank 2. Lightweight and Portable: Weighing just 8kg, it’s easy to handle and reduces operator fatigue. Versatile: It can drill precise anchor and through holes ranging from 3/8 to 1-5/16 inch. This drill is ideal for construction, renovation, and other trades where drilling through tough materials is required. Used but in full working order. Powers on and drills as you would expect. All information is on the label which is photographed, if you have any questions though please do ask! Lots more power tools available please check my other listings if you are interested.