Chuck Size: 13mm keyless or keyed chuck, allowing quick bit changes.
2. Power Source: Usually electric (corded) or battery-powered (cordless).
3. Motor Power: Typically ranges from 500W to 800W for corded models and 18V–20V for cordless versions.
4. Speed:
No-load speed: Often 0–3000 RPM.
May include variable speed control for precision.