With 21+1 torque settings, the drill can be adjusted to provide the desired power. Its long-life lithium-ion battery delivers dependable power throughout its charge, and its fade-free power lasts for a long time after charge. It is easy and quick to change bits with the 3/8" keyless chuck. The price drops from $14.97 to $12.88. Shipping is free for over $35, or it adds $6.99.