The Tekton 3 Universal Joint Set includes three pieces with sizes of 1-1/4, 3/8, and 1/2 drive, designed for use with SAE measurements. Made by TEKTON, the set features a chrome surface finish, offering durability and high quality for automotive maintenance and repair tasks. This set is a versatile addition to any mechanic’s tool collection, providing the necessary components for various fastening and loosening applications.