Published at Saturday, October 27th 2018, 01:52:09 AM by Fabien Masse. Cutlery & Kitchen Knives. Using knives is an essential part of daily food preparation. But few cooks know the different parts of a knife and how they contribute to longevity of a knife. A kitchen knife has two essential parts. Understanding how the construction and component materials make a difference in durability of the knife is very important when choosing knives for the kitchen.