The NOS VULCAN Tools 4pc Metric Deep Impact Socket Set is a high-quality set of sockets designed for automotive use. Made in the USA, these 6-point sockets feature a durable black oxide finish and are sized at 12mm, 11mm, 8mm, and 9mm. With a 3/8" drive size, this set from trusted brands Vulcan and Williams is perfect for professionals in need of reliable and precise hand tools for their automotive repairs and maintenance tasks.