What Kind Of Knives Do Professional Chefs Use?

J. Henckels, Zwilling, Victorinox, Sabatier.
They are designed for professional use, meet NSF requirements and do not break or shatter like “home use” knives can and stand up to years of daily sharpening and use. “Home use” knives are not designed for daily use.
The brands referenced here use better grades of steel than those you usually find in a home.