The Napa Carlyle R38lf120 3/8" Dr. Locking Flex 120 Tooth Ratchet is a high-quality hand tool designed for automotive use. Made by the trusted brand Flex, this single item features a quick release mechanism and a durable construction. With a 3/8" drive size and 120 tooth design, this locking flex ratchet ensures smooth and efficient operation in various automotive maintenance and repair tasks.