The Klein Tools 65500KNECT Complete Impact Pass-Through Flip Socket Set is a 39-piece set designed for professional use. Made by Klein Tools, a reputable brand known for high-quality tools, this set includes sockets with a 1/4 inch size for use with impact drivers. Manufactured in Taiwan. Perfect for automotive, industrial, and maintenance applications, this set offers a durable and reliable solution for various socket needs. ***Brand new, unopened, ships immediately to lower 48 states and Hawaii once you buy.***