Chef Knives Chef Knives are the multi task, everything knife in the kitchen. Most professionals use their Chef knife for 90% of their cutting, slicing and dicing chores because the knife is versitile and they don't have to waste time switching knives in the heat of battle also known as cooking on the line. We sell the world's largest selection of Chef Knives from over 30 different companies. When properly used a chef knife is rocked on the cutting board, leaving the tip on the cutting board. A chef knife works well for a variety of slicing, boning, chopping and cutting tasks.