1. Can opener: The lower hook is used with the upper edge to easily open the tin can.2. Adjustable wrench: It is a long strip-shaped hollow groove, which can be used to screw any flat and thick buckled items.3. Sawtooth: I am not only used to saw wood branches, removeFish scales are also very useful.4. Keyhole, this card can be hung from the key ring.5. Positioning wrench: Two different types of hexagonal wrenches, smaller than the model of function 7.6. Directional indication: Different directions can be accurately determined using the scale of sixteen equal parts.7. Positioning wrench: Four different types of hexagonal wrenches, suitable for the size of bolts and nuts used daily.8. Ruler: Use metric scale with a scale of mm.9. Bottle starter: suitable for the opening of bottle caps such as beer and beverages.10. Screwdriver: Located on one corner of the card (this position uses the mechanical principle to increase the strength and saves effort). It is scientifically cut into a slotted screwdriver to tighten the screws of the common model.11. Side knife: sharp edge, can cut the rope, it is not a problem to cut the fruit after washing.