Product details:

5.0 Amp 30,000 RPM Cut-Out Tool - DW660. General Purpose Bit. Drywall Cutting Bit. 1/4 in. Collet. Tool-free bit change for fast and easy bit changing without a wrench. Turn-on and bump-off switch allows user to easily shut tool off. 5.0 amp, 30,000 RPM motor provides more cutting power. Slim body design for less fatigue over prolonged use. Dust-sealed switch provides durability and long switch life. Jam-pot construction provides jobsite durability. This item may ship in the original manufacturer's packaging.