Ergonomic handle for a comfortable grip and reduced fatigue during extended use Quick ratcheting mechanism for fast, precise adjustments, saving time on every job Durable, corrosion resistant construction delivers long lasting performance in demanding environments Flexible head ratcheting wrench set with 12 interchangeable heads ranging from 8mm to 19mm for versatile coverage of common fasteners Designed for reliable torque transmission and broad task compatibility across automotive, bicycle, and general maintenance applications 12 interchangeable heads provide broad compatibility with typical metric bolt sizes encountered in workshops and at home Typical applications Automotive maintenance and : loosening or tightening bolts in tight engine bays and on components that require multiple head sizes Bicycle maintenance: servicing hubs, derailleurs, brakes, and other components that use metric bolts Home projects and furniture assembly: installing hardware, mounting brackets, and assembling frames that require various bolt sizes