Features: 
Mechanical clutch eliminates sudden high-torque reaction should the bit jam
Impact-stop for drilling in wood, steel, ceramic and screwdriving applications
Rotation-stop for light chiselling applications in brick, soft masonry, and occassionally concrete
Electronic variable speed to enable total control over the tool in any application
Rounded ergonomic industrial design allows for easy and comfortable handling in any application
Output air slots are designed to offer protection to the user's eyes
Ergonomic rubber coated back handle design for improved comfort during use