Chamfered lead-ins help to provide fast and easy placement onto drive tools and sockets. Spring-loaded detent ball securely latches onto sockets, preventing them from being dropped. Heat-treated chrome-vanadium steel construction for strength and durability. Universal joint works around obstructions and operates smoothly at various angles. Chrome finish resists rust and corrosion. Include a socket organizer. Set Includes: 1pc 1/4 inch drive (F) x 3/8 inch (M) adapter. 1pc 1/4 inch drive x 2-inch extension bar. 1pc 1/4 inch drive universal joint. 1pc 3/8 inch drive (F) x 1/4 inch (M) reducer. 1pc 3/8 inch drive (F) x 1/2 inch drive (M) adapter. 1pc 3/8 inch drive x 3-inch extension bar. 1pc 3/8 inch drive universal joint. 1pc 1/2 inch drive (F) x 3/8 inch (M) reducer. 1pc 1/2 inch drive universal joint. 1pc Socket organizer.