Adjustable Universal Socket Wrench - High torque performance: the universal socket design grips nuts and bolts securely under high torque, holding fast within its adjustable range of 10-19 mm. - Easy one-handed operation: simple to use, with a firm grip for large torque needs and effortless single-handed handling. - Wide adjustability: accommodates sleeves from 3/8 inch to 3/4 inch and 10 to 19 mm for a broad range of fasteners. - Versatile compatibility: immediately adapts to hold most nuts, bolts, hooks, square-head bolts, bolt heads, and more. - Practical and reliable: quick size adjustment enables you to work on a variety of fasteners without changing tools. Applications and use scenarios - Bicycle maintenance: works with different fasteners on pedals, cranks, and other components that require quick adjustments. - Automotive repair: convenient for engine bays and chassis work where fasteners come in multiple sizes. - Home improvement and DIY: assembling and disassembling furniture, mounting brackets, and other projects involving mixed fastener sizes.