This Dewalt SDS Hammer Drill is ideal for Professionals.Here's the Techy Bit.Ideal for drilling 4 - 22mm diameter anchor and fixing holes into concrete and masonryImpact stop for drilling in wood, steel and plasticRotation stop for light chisellingLow vibrationMechanical clutch reduces sudden high-torque reaction should the bit jamContentsContents: Multi-position side handle, Depth stop, Heavy duty carrying case