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.