Versatile adjustability - An extendable ratchet wrench that adapts to every job and environment. It extends up to 450 mm for reach in tight spaces, and its quick-release design allows tool removal with a single click. Enhanced stability - Carefully engineered with a 1/2-inch standard square drive for precise sizing. - Easy to operate with stable, smooth performance and no wobble or loosening. - Forward and reverse rotation available in both directions for versatile use. Rust protection - Built from high-strength chrome-vanadium steel and finished using a high-frequency quenching process. - Delivers excellent durability, rust resistance, and long service life. Comfortable grip - Ergonomic handle design enhances torque transfer. - Non-slip grip supports comfortable use over extended periods. - Durable performance suitable for demanding tasks. Use scenarios - Automotive maintenance and repair in tight spaces, such as engine bays or under dashboards. - Bicycle maintenance and repair where reach and torque are required for components like gears, hubs, and pedals. - Furniture assembly or equipment installation that demands adjustable reach and reliable torque.