Adjustable flexibility: Extendable ratchet wrench with a maximum reach of 450 mm for easy adaptation to tasks and spaces. Quick release design allows removal with a single click, and the length is adjustable for convenient use in a variety of applications. Portability and compatibility: Features a 1/2 standard square head for broad compatibility with common sockets. Provides stable operation without shock or looseness. The twoway operation system enables forward and reverse turning. Durable chromiumvanadium steel: Constructed from chromiumvanadium steel and subjected to a frequency quenching process for enhanced strength. This design delivers a longer service life and reliable performance across projects. Ergonomic and durable grip: Retractable design with an ergonomic, non slip handle for increased torque and comfort. Suitable for long periods of use without significant hand fatigue. Practical use scenarios: Assembling large furniture or appliances in tight spaces where extended reach is required. Automotive maintenance, such as accessing engine bay bolts or underbody fasteners that are difficult to reach. Bicycle or machinery installation that benefits from adjustable length and reliable torque.