The dewalt d21805ks percussion drill has a two speed gearbox for increased torque and offers an improved drilling performance due to a new motor wind the new gear design and patented armature support give improved unit life whilst the polymer gear case provides improved ergonomics it is great for applications in impact drilling metal drilling and wood drilling supplied with 1 x multi position side handle 1 x depth stop 1 x heavy duty carrying case and 1 x keyless chuck specification input power