Ko-Ken USA

Ko-ken is a precision manufacturer of professional-grade hand tools, specializing in high-quality sockets, ratchets, extensions, torque accessories, and custom tooling solutions. Manufactured in Japan, Ko-ken products are known for exceptional durability, tight tolerances, and advanced surface finishes designed to perform in demanding environments. The company supports aerospace, aviation maintenance, automotive, motorsports, and industrial sectors by providing tools engineered for accuracy, reliability, and long service life. Ko-ken tools are widely used in aircraft maintenance and ground support operations where precision fastening and torque control are critical. With a strong focus on innovation, quality control, and specialized tool design, Ko-ken delivers solutions that meet the exacting standards of professional technicians and maintenance organizations worldwide.