Mechanical clutch eliminates sudden high-torque reaction should the bit jam. Rotation-stop for light chiselling applications in brick, soft masonry and occasionally concrete. Electronic variable speed for total control in any application. Rounded ergonomic industrial design allows easy and comfortable handling in any application. Ergonomic rubber coated back handle design for improved comfort in use. Rotation-stop for light chiselling applications in brick, soft masonry and occasionally concrete.