Nesmuk JANUS Chef knife with olive wood handle. Premium chef knife. A blade (length 180 mm, thickness 4 mm, hollow ground on one side) made of high-performance steel with niobium content refined with a high-quality DLC (diamond-like carbon) coating that offers extraordinary cutting performance and toughness. The collar is made of stainless steel. Each Nesmuk JANUS is shipped in a high-quality, matte box. There are only best kitchen knives in MyGoodKnife’s range.