This specific tool collection combines precisely sized receptacles for turning nuts and bolts with a square recess designed to engage an impact wrench. The “3/8” designation signifies the drive size, referring to the square recess’s dimensions, a common size balancing power and accessibility for various applications. A complete collection typically includes a range of sockets in both metric and standard sizes, alongside extensions and adapters.
Such a tool assortment offers significant advantages in automotive repair, construction, and general mechanical work. The impact wrench compatibility allows for efficient removal and tightening of fasteners, particularly those corroded or stubbornly fixed, minimizing effort and potential damage. The development of impact-resistant sockets and drive systems has streamlined mechanical tasks, reducing the physical demands and time required for many jobs.