[Premium Quality] Made from chrome vanadium steel with chrome plating, these adapters are durable and long-lasting for reliable performance. [Portable Organization] The set comes in a toolbox for easy transport and storage, with labeled compartments for quick identification and access to tools. [Precision Design] Each 12-point adapter allows for precise positioning, saving time and enhancing work efficiency. [Complete Set] This kit includes a total of 12 parts ranging in sizes from 5/16 inch to 7/8 inch, along with adapters for versatility in automotive repairs. [Versatile Application] Ideal for tight spaces in automotive repair tasks, including engine bays, suspension components, and stubborn fasteners., Manufacturer: Jelquix