1. Easy, lightweight, fast, connecting to the 1/4"(6.35mm) hex screwdriver, more durable, lasting to use.
2. It's good for the wrench, can be connected to drill, rechargeable drill or manual wrench.
3. 360 degree adjustable, 1/4 inch magnetic bit reception. Especially convenient working in the narrow area, that you can't remove the screw by your hand tool.