Tool, because it is difficult to summarize what a useful tool it is, any detailed naming is partial and it is difficult to describe all its uses, so it is tentatively called a practical gadget. It has 11 uses: open cans, hang keys, open beer, cut metal wires, saw blades, measure lengths, twist screws, pull nails, scrape coatings, etc. There are countless ways to do it; the most important thing is: Fidelis Tool It is small and portable enough to be easily put into a wallet without being noticed, and can be used as a "secret weapon" at critical moments. Its made of titanium, which is strong and durable, and sells for $25. The production process of such a multi-functional tool is very simple. After designing the size and thickness, it can be completed directly with laser cutting.
Cutting wire
Strip wires
Scrape coating
Sawn wood
Twist the hexagonal screws
Pull out the nails
Open cans
Measuring length
Open a beer
