Spring loaded with hex key to adjust drilling depth. Drills perfectly centered holes in applications such as installing hinges, brackets, towel bars, cabinet hardware, drapery rods, window shades and blinds. Spring loaded with hex key to adjust drilling depthDrills a perfectly centered hole every timeSix torque settings, variable speed/reversing with electronic brake and soft gripGreat for installing hinges, brackets, towel bars, cabinet hardware, drapery rods, window shades and blindsDrill number 10