TONE CO., LTD was founded in 1983 in Japan as a manufacturer of premium professional work tool. Tone hand tools are the top choice for mechanical engineers and technicians worldwide. With meticulous design and top-notch manufacturing quality, Tone products such as sockets, Ratchet Handles, Pliers, Torque wrench, Air tool,… and repair tool kits offer high precision and durability. Made from premium materials, Tone tools not only meet all demanding work requirements but also ensure safety and comfort during use, helping workers complete tasks quickly and efficiently.