Model No AK27482. Contents: Standard Sockets; 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 24, 27, 30, 32mm, 1/2″Sq Drive Spark Plug Sockets; 16, 21mm, Extension Bars; 75, 125, 250mm, 1/2″Sq Drive 48-Tooth Gear-to-Gear Flip Reverse Ratchet Wrench with Quick Release, Universal Joint, 3/8″Sq Drive – 1/2″Sq Drive Male Adaptor.