The DEWALT D25614K SDS Max Combination Hammer is ideal for drilling anchors and fixing holes into concrete, brick and masonry up to 45mm in diameter. With electronic speed and impact energy control. It has a rotation stop mode with a lock-on switch for chiselling. The ergonomic, compact and slimline design maximises control and offers easy access to confined spaces. An anti-rotation system detects a loss of tool control and reacts by instantly cutting the power. Tool Connect ready (tag is NOT included) provides the option for jobsite connectivity for inventory management. Compatible with the Wireless Tool Control transmitter, which allows the tool to be wirelessly paired with another Wireless Tool Control device, such as a dust extractor, for automatic activation and shut down. Specifications: Input Power: 1350W.No Load Speed: 190-380/min.Impact Rate: 1,450-2,900/bpm.Impact Energy: 10.5 joules.Max. Drilling Diameter: 45mm.Max. Core Diameter: 125mm.