The DEWALT 18V XR 3 Mode Dedicated Cordless Hammer Drill – Bare Unit has been constructed for heavy duty applications. The Brushless motor delivers reduced friction and better runtime which enables more power to be delivered during application. This results in less wear and an increase in longevity of the tool. The SDS+ offers high speed drilling performance up to 90 holes (10mm Ø x 80mm) per charge using a 18V XR 5.0Ah battery(Not Included). The Rotation stop mode feature allows for light chiselling in plaster, tiles and render. Impact stop mode offers rotary only drilling in wood and metal