Includes 1/2″ to 3/8″ adapter, 3/8″ drive swivel socket, and 1/4″ hex to 3/8″ square adapter for versatility. Includes (15) 6-point sockets and (15) 6-point deep sockets: 8 mm through 22 mm. 36-piece set includes 3/8″ drive reversible pear head ratchet with 72 teeth and a quick-release button.