Get into tight spaces without sacrificing strength! The Astro Tools 78214 1/2" Drive Nano Impact Socket Set eliminates the frustration of skipped sizes, providing a complete 17-30mm range in a low-profile design. These sockets offer 75% less bulk than standard impact sockets. The 22mm outside hex adds versatility, and when paired with the Astro 78218 18" Ratcheting Wrench, you'll be able to tackle any job with ease.