J.A. Henckels is a Solingen, Germany based knife manufacturer that dates back to 1731. The company's Zwilling (twin) logo is known to be one of the oldest trademarks in the world. Throughout the company's history, it has made some of the world's finest pocket knives, kitchen knives, scissors & flatwear. In 1960 Henckels ceased their pocket knife production and started having other companies make knives for them on contract. Boker has been one of the main producers of more recent Henckels products.