The DEWALT DCH481 XR FlexVolt Brushless SDS Max Hammer produces a performance that rivals corded machines, the brushless motor provides extreme runtime and reduced maintece. Rotation stop mode for chiselling and impact stop mode for rotary only drilling with dry diamond cores. Ideal for drilling anchors and fixing holes into concrete, brick and masonry up to 40mm in diameter. For increased safety, the anti rotation system detects a loss of tool control, and reacts by instantly cutting the power. It has a compact, lightweight and ergonomic design for improved comfort and support during extended operating periods. Fitted with a bight white LED, with a delay feature for improved visibility. Specification Modes Rotary Only, SDS Hammer, Chisel Only. No Load Speed 540/min. Impact Rate 0-3,150/min with 6.1 joules. Capacity Concrete 40mm, Breakthough 65mm, Core 100mm. Weight 5.4kg.