Ideal for drilling anchor and fixing holes into concrete and masonry from 4 to 22 mm in diameter Rotation-stop for light chiselling applications in brick; soft masonry and occasionally concrete Impact-stop for drilling in wood; steel; ceramic and screwdriving applications Large hammer mechanism delivers high performance with low stress to the critical components resulting in better durability Mechanical clutch eliminates sudden high-torque reaction should the bit jam Electronic variable speed for total control in any application Rounded ergonomic industrial design allows easy and comfortable handling in any application Improved sealing for maximum protection from dust ingress ensuring long tool life Output air slots designed to protect users eye.