- Material and construction Chromium-vanadium steel, drop-forged and hardened, integrated heat treatment including quenching. Delivers high torque, high hardness, and a thick, durable wrench body. - Ratchet mechanism 72-tooth ratchet gear requiring only a 5-degree swing. Enables use in tight spaces, improves precision, saves time, and offers comfortable operation. - Size and storage Compact design that is practical for storage and handling. Takes up little space, full specifications, easy to carry and store. - Metric sizes Metric sized wrenches with a range of sizes available. Choose the right size for your project. Wrench sizes are stamped on both sides of the handle for easy identification. - Use scenarios Automotive maintenance in confined engine compartments or tight installation areas. Bicycle repair or machinery work in restricted frames where space is limited. Home, workshop, or appliance installation and furniture assembly in tight corners.