Material and construction - Made of chrome vanadium steel, the wrenches are drop forged and hardened with integrated heat treatment and quenching to deliver strong torque, high hardness, and a thick, durable wrench body. Ratchet mechanism and performance - 72-tooth ratchet gear requires only a 5-degree swivel arc, enabling use in tight spaces, improving accuracy, saving time, and providing convenient operation. Size, storage, and handling - Compact design is easy to store and handle, taking up minimal space while offering complete specifications and easy portability. Sizing and identification - All wrenches are metric sizes with multiple sizes available to fit various projects. Wrench sizes are stamped on both sides of the handle for quick and easy identification. Practical use scenarios - Automotive repairs in cramped engine bays or underdash areas where space is limited. - Bicycle maintenance and repair, where small clearances require precise, frequent adjustments. - Furniture assembly or appliance installation in tight corners or restricted layouts.