We have Fein DSEU638 1/2-in Variable Speed Rotary Hand Drill with Product Detail Two-speed installation rotary drill with reversible rotation and high torque High torque motor with optimum output in all speed ranges for flexible use with a wide range of materials Drill shaft conical holder and high-quality SUPRA SK metal quick-clamp drill chuck guarantees maximum precision and concentricity Mechanical two-speed gearbox for optimum speed adjustment for a wide range of uses Variable electronic speed adjustment . The "Fein DSEU638 1/2-in Variable Speed Rotary Hand Drill" is best product for you. We recommended Fein DSEU638 1/2-in Variable Speed Rotary Hand Drill