The OFF FK Series by Hiroaki Ohta is a collection of high-quality knives that are both affordable and well-crafted. These knives are made with a single-piece handle and a D2 tool steel blade that is incredibly sharp. The OFF FK 5 knife, in particular, has a handle made from maple wood and a two-tone finished blade with satin grinds. It also comes with a leather pouch for storage. The Ohta OFF folding knife is a great choice for those looking to explore the world of custom everyday carry knives. It's important to note that each knife is unique due to the use of organic materials, so there may be variations in color and pattern.