Hexagon wrench can be widely spread so far, and become an indispensable tool in the industrial production and processing industry, the key lies in its own unique place and many advantages:

1. It's very simple and lightweight.

2. There are six surfaces between hexagon socket screw and wrench, which are fully compressed and not easy to be damaged.

3, can be used to turn the screw in the deep hole.

4. The warp and length of the wrench determine its twisting force.

5, can be used for turning very small screws.

6, very easy to manufacture, cost is cheap.

7. Both sides of the wrench can be applied.