This vintage S-K Tools #40420 SAE 5/8" deep socket is a must-have for any collector or DIY enthusiast. Made in the USA, this 6-point socket is designed to fit a 3/8" drive and is perfect for use with a variety of tools. The brand behind this tool is SK Professional Tools, known for their high-quality and durable products. This socket is a great addition to any tool collection and is sure to come in handy for all your automotive and mechanical needs.