Beyond boring, it is excellent for driving large screws. With accessories, it can also drive 1/4" hex bits or 3/8" sockets. Pros & Cons Pros: Complete control and excellent tactile feedback. No electricity needed; silent operation. High torque for big holes. Very low maintenance. Cons: Requires physical effort, which can cause fatigue. Not suitable for high-volume, repetitive production work. Older bits may require sharpening, which can be tricky. What to Look For

The cutting tool, usually with a self-feeding screw tip, two spurs for cutting the circumference, and two cutting lips. Performance Review

The crank-shaped turning device (the "hand") which provides leverage.