- Powerful & Lightweight: Powerful Motor Provides Faster Drilling Speed and More Overload Durability - Variable Speed Trigger Switch with Speed Control Dial: The speed control dial allows users to adjust the pull of the trigger switch and maintain a consistent rotation speed - Robust Cylindrical Housing Drill Chuck Capacity: Steel- Twist Bit- 10mm Wood- Flat Spade Bit- 32mm Auger Bit- 25mm