The SK Tools Professional Series 3/8" Drive Ratchet Rebuild Kit (45170-2) is a high-quality single item hand tool designed for automotive use. This standard ratchet features a durable construction suitable for professional applications, with a drive size of 3/8 inches. The kit includes the necessary components to rebuild the ratchet, ensuring reliability and performance in a variety of automotive repair and maintenance tasks. With the SK brand reputation and the manufacturer part number 45170, this ratchet rebuild kit is a must-have for any mechanic or DIY enthusiast.