Flexcut 3-Knife Starter Set KN500 Style KN500. Flexcut has packaged some of their most popular knives in one 3-Knife Starter Set. These knives are made with the same edge-holding steel as their gouges and chisels. The comfortable curved ergonomic handle allows for long periods of carving without hand fatigue. Set includes: Cutting Knife (530) Detail Knife (583) and Roughing Knife (584).