The Blue Point 3/8" Extensions in 3", 6" & 10" sizes are high-quality hand tools designed for automotive use. Made by the trusted brand Blue Point, known for their durable and reliable tools, these extensions are sold by Snap On, a reputable source in the industry. Manufactured in Taiwan, these extensions provide added reach and versatility when working with sockets and socket sets, making them essential tools for any mechanic or automotive technician.