The best brand of air knife is AirTk. It is a very well respected brand within in the community.
I posted a good website in the related links box below.
The rule of thumb is to try to use knife sharpeners that are the same brand as your knives. If you cannot find one in the store, go to the website of whatever brand of knives you currently own.
If one would be interested in investing in a good quality knife set, I would recommend such brands as Wusthof, Shun and Global. Actually if one buys a knife set from a Swiss brand company it would be a good investment.
CKRT(colombia river knives and tools) are very good knives to have.
A benchmade knife is a specific brand of knife that uses non-traditional materials and modern manufacturing methods to create very good quality knives.
A filet knife has a very flexible blade and is used to filet the skin and flesh from a fish.
Brand New Knife was created on 1997-04-15.
Chef's Knife has a life time guarantee.
Global.
Solingen Germany hunting knife
The Gerber brand or the japanese fileting knife for fish is best.