Dewalt Flexvolt DCD460T1 60V Max* VSR Stud and Joist Drill Kit with E-Clutch® System. The DEWALT 60V Max* VSR Stud and Joist Drill with E-Clutch® System features a 1/2" chuck and brushless motor that provides corded power in a cordless solution. Ideal for plumbers, electricians and HVAC installers who need to drill large diameter holes in wood. This drill provides exceptional power, control, durability, and runtime with its 60V brushless motor, E-Clutch® System, mechanical clutch, and 2 variable-speed ranges. Equipped with the innovative bind-up control feature called E-Clutch® System this drill increasing user control in bind-up/stall situations by sensing a stall during use and managing torque accordingly.