Low-vibration drilling up to 82 mm in diameter with diamond-tipped dry drilling crowns. Ideal for drilling in masonry and abrasive construction materials. Features electronically adjustable speed and constant electronics for consistent speed even under load, as well as a soft start. Includes overload protection and motor monitoring to prevent motor damage. The side handle can be rotated 360°. A 16 mm ring drill chuck is available as an option. Accessories include a transport case and a side handle.