- Versatile adjustability: Extendable ratchet wrench reaches 450 mm for hard-to-access fasteners. Quick-release design lets you remove tools with a single click. - Precise and convenient: 1/2 standard square head delivers stable, smooth operation without shaking or loosening. Forward and reverse two-way steering enables effortless torque direction changes. - Durable construction: High-frequency quenching process and high-strength chrome vanadium steel provide long service life and rust-resistant performance. - Non-slip and ergonomic: Retractable, ergonomic handle delivers increased torque with reduced hand fatigue for extended use. - Clear compatibility and performance: Designed for standard 1/2 inch sockets, optimized for reach and leverage in tight spaces across various tasks. Use scenarios: - Automotive repair in tight engine bays or under dashboards where extended reach is required. - Bicycle maintenance such as crank or bottom-bracket bolts where space is limited. - Home or workshop assembly and appliance installation where long reach and reliable torque are needed. This extendable ratchet wrench combines function, durability, and practicality for professional and DIY use.