Depends what you work on most. -I work on cars, well pumps, and mixed machinery. My 5 most used wrenches are 3/8, 10mm, 1/2, 9/16 and 15mm.
There are many kinds of wrenches. Perhaps the most common are open end wrenches. Then you have box wrenches, pipe wrenches, adjustable wrenches, combination wrenches and many others.
Brands of impact wrenches include: Kawasaki, Ingersoll Rand, Chicago Electric, Dewalt. The most famous is Ingersoll Rand, also most used. Known for its small, but powerful electric wrenches.
There are more than 2 types, but the most common 2 have a long pointer needle or a snap ratchet.
five is pretty common
The most common and least expensive is the five panel test
Magnets will stick to most wrenches.
AlohaMahaloBro or BruddaLuauHula
The most common elements in the universe are, Carbon, Oxygen, Nitrogen, Iron and Hydrogen,
they all have nothing to do with each other
Hydrogen is the most common element in the universe. Helium, Oxygen, silicon, and aluminum are the next most common elements in the universe and on earth.
the five most common rock-forming minerals are -quartz -feldspars -micas -amphiboles -pyroxenes
Wrenches or spanners are most useful. Sockets are very useful in many cases. I keep complete sets of both SAE and Metric wrenches in my car. along with Allen wrenches of both types. I do have some excellent adjustable ( crescent ) wrenches, but prefer wrenches that fit exactly as I was taught in maintaining aircreft.