1. Canned: The lower hook is used with the upper edge to easily open the tin can.
2 Side knife: cuttable rope can also cut fruit after washing.
3. One-word screw: It can tighten the screws of the common model.
4. Ruler: It adopts centimeter metric scale which effectively measures distance of 4cm and small scale is mm.
5. Bottle: Suitable for the opening of caps such as beer and beverages.
6. Hexagon wrench: It is suitable for tightening four different types of bolts and nuts.
7. Adjustable wrench: The principle of the lever can be used to screw a special bolt such as a flat or semi-circular head or to break a flat hard object.
8. Interlaced saw: You can saw wood branches or remove fish scales.
9. Direction: When the forest or desert is unable to distinguish the square set the map to the direction of the compass and place the hollow center of the identifier on the approximate position of the map where it is currently located. Instructions indirect use clear direction of destination.
10. Positioning wrench: A different type of hexagonal wrench that is smaller than the hex wrench.
11. Round hole: can be hung on the key ring.