To be frank, you might be over thinking it. Just because it can be easily copied doesn't mean they will go into that market. If your friend is able to stay in business because of Customer loyalty, it probably means it is still worth it.
It might even possible for you to manufacture the tool and brand it with THEIR name. Most of them have their stuff manufactured in china with the exception of the German companies. They have most of their stuff manufactured in either Germany, Austria or Switzerland. Although their really inexpensive stuff will be made in China.
It might even possible for you to manufacture the tool and brand it with THEIR name. Most of them have their stuff manufactured in china with the exception of the German companies. They have most of their stuff manufactured in either Germany, Austria or Switzerland. Although their really inexpensive stuff will be made in China.