These Carbon Steel pocket knives are the knives that started it all. Joseph Opinel first designed and patented the now iconic knife design in 1890. Originally distributed as a knife for farmers and train conductors, keeping the knife high quality, simply designed and affordable has always been the goal of Opinel. It's no wonder why the company has produced and sold over 30 million units of this very knife design in their 130 year heritage. Available in sizes: No.6, No.7, No.8, & No.9.