For those who like outdoor sports or field expeditions, a must -have multi -functional knife is necessary to go out. So what is a multifunctional knife?The multi -functional knife will merge the commonly used tools together, such as the bottle opening, the screwdriver, scale ruler, etc. How to use the multi -function?Can the multifunctional knife pass the security check?These questions you can find the answer you want in this article.
What is a multi -function knife
Multi -functional is called a universal knife. It is combined by a variety of tools on a folding knife, which can make limited tools exert its greatest value and function, solving peoples encounter in daily life encountered in daily life.There are various problems, and the multi -functional knife has no environmental restrictions, which can reflect its use value in any scene.An ordinary multifunctional knife is generally equipped with tools, small knives, scissors, cylinders, wooden saws, small cones, wood plug drills, toothpicks, small dumplings and other tools.With the development and changes of the times, some emerging technologies have also been introduced into multi -functional knives, such as flashlights, inside laser, and so on.
Whether the multi -function can pass the security check
Multifunctional knife is also a type of control knife. It cannot be carried on security inspection, with train, high -speed rail, and airplanes.
Standard tool standard:
1. Dagger: with a single blade, double -edged or multi -blade sharp knife with a knife handle, knife grid and blood slot, the pointed angle of the knife tip is less than 60 degrees
2. Triangular scraper: mechanical processing with three blades
3. Spring knife (jumping knife) with a self -locking device: After the knife is expanded or popped, the folding tool that is fixed by the spring or card lock in the handle can be fixed.
4. Other similar single -edged, double -edged, and triangular tip knives: The pointed angle of the knife is less than 60 degrees, and the knife body length of more than 150 mm, double -edge, and multi -blade knife.
5. Other knife tip angles are greater than 60 degrees, and the knife body is more than 220 mm.
1. All kinds of martial arts, crafts, gifts and other knives that are not turned on and the tip of the knife tip of the knife and the tip of the knife tip are not greater than 2.5 mm.
2. The minority ethnic minorities need to be worn and used because of their living habits that need to be worn and used.
Multifunctional knife purchase guide
Depend on workmanship
The workmanship of high -quality multifunctional knife is very delicate. Whether it is a knife handle, a knife or a connection, it is perfect and strong.Essence
Look at the material
The high -quality multifunctional knife is exquisitely refined by stainless steel. Under the anti -photos of the light, the knives will shine, and the materials that are not stainless steel on the market are mostly counterfeit products.
Look at the price
Different functions, the prices of multi -functional tools are also different, and the more functional knives, the more functions, the price is more expensive. Like a general multifunctional tool, the price on the market is more than 200 yuan.The price is more than 600 yuan, and the multi -functional knives selling less than 150 yuan in the market are all imitation products.
the way of buying
If you want to start a authentic multifunctional tool, you should buy it in a regular shopping mall. If you buy through the network channel, you must choose those official flagship stores to buy.
After -sales and sales
After selecting a multifunctional tool, you must first ask what the after -sales service is like, how long the warranty is warranty, so as to facilitate the maintenance and maintenance of multi -functional knives.
How to maintain the multi -functional knife
1. After using the knife daily, you can drop a few drops of detergent on the tool. After cleaning the oil stains on the tool, wash it with clean water.
2. After washing the tools, you cant put it away. You also need to use a cloth to wipe the water stains on the knife and wrap the toothpick or cotton stick with a cloth. This can effectively clean it to the inside. It is necessary to completely dry the tool.
3. You can inject lubricating oil into the rotating rotation shaft of the tool. The most suitable lubricant with precision machinery is the most suitable. The common WD-40 rust and lubricating oil on the market can also be careful. If you accidentally lubricate oil, if you accidentally lubricate oil,When you get into a non -rotating shaft, you must wipe it clean.
4. If the blade of a multi -functional tool is damaged or not sharp, you must use a dedicated knife stone to grind the tool. Remember when grinding, you can only grind in one place, and you must not rub back and forth in the opposite direction.

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