Extendable 1/2-inch Ratchet Wrench — Adjustable to 450 mm Key benefits Reach and adapt: Extendable length up to 450 mm lets you work in deep or hard-to-reach places without improvising with extensions or loose adapters. Fast tool changes: Quick-release design allows simple removal and replacement of sockets for faster job flow. Confident control: 1/2-inch standard square head and a two-way (forward/reverse) control system provide stable engagement and smooth directional switching without shocks or looseness. Built to last: High-frequency hardening and high-strength chrome-vanadium steel construction deliver improved wear resistance and corrosion-free durability for long-term use. Comfortable, efficient grip: Ergonomic non-slip handle with recessed mechanism increases torque transfer and reduces hand fatigue during extended tasks. What this wrench solves Eliminates reach limitations by giving you a single tool that adjusts length up to 450 mm. Reduces time lost swapping tools thanks to the quick-release socket system. Prevents loosening, slipping, and inefficient torque transfer with a secure 1/2-inch square drive and premium material treatment. Minimizes hand strain during repetitive or prolonged work through an ergonomic, slip-resistant handle. Key features (concise) Adjustable length: up to 450 mm for versatile use Drive size: 1/2-inch standard square head Operation: Two-way (forward/reverse) ratchet control Release: Quick-release mechanism for easy socket removal Material/process: High-frequency hardened chrome-vanadium steel for strength and rust resistance Handle: Ergonomic, non-slip design with recessed mechanism for increased torque and comfort Practical applications Automotive repair: Reach spark plug wells, engine mounts, and suspension fasteners in confined engine bays without disassembly. Machinery and equipment maintenance: Access deep-set bolts on industrial equipment, pumps, and gearboxes where fixed-length tools can’t reach. Home and construction projects: Tighten or loosen fasteners in cabinetry, plumbing fixtures, scaffolding, or framing where variable reach and reliable drive are needed. Why choose this wrench Single tool replaces multiple extensions by combining adjustable length with a secure 1/2-inch drive. Durable materials and heat treatment reduce wear and corrosion, lowering lifecycle costs. Ergonomic design and dependable ratchet action improve efficiency and reduce user fatigue on repetitive jobs. Includes Extendable ratchet wrench with 1/2-inch standard square head, quick-release function, two-way control, and ergonomic non-slip handle.