NS TOOL CO., LTD. is a Japan-based company engaged in the production and sale of end mills for cutting tools. The Company operates in two business segments. The End Mill segment is engaged in the manufacture and sale of cutting tools centering on carbide small-diameter end mills. The Others segment is engaged in the manufacture and sale of plastic moldings focusing on tool cases. Depending on the product size, it is classified into end mill (6mm or less), end mill (over 6mm), and end mill (others).