The VTG Snap On Tools SB10 10" Friction Ball Extension is a high-quality hand tool designed for automotive use. Made by the reputable brand Snap-on, this specialty socket extension features a 1/2" drive size and a black oxide finish. With a size of 10 inches, this single item is perfect for extending reach in tight spaces. Manufactured in the United States, this extension is a durable and reliable addition to any socket set.