WORX SWITCHDRIVER 20V SWITCHDRIVER 2-Chuck Drill. The Worx Switchdrvier is a compact cordless drill driver that holds two bits simultaneously. Drilling a pilot hole then driving a screw has never been as quick or convenient. FEATURES:Rotating dual chuck makes switching between two drilling or driving bits faster and smoother than ever. Precise electronic torque control prevents stripping screws and damage to work surface. >Variable 2-speed gearing tackles all common drilling and driving applications. Toolless 1/4 hex quick change chucks for easy bit change-out. Built-in automatic LED light illuminates work area.