General description Sealey Premier Socket Set with Tool Tray includes a comprehensive 55-piece socket set featuring both 3/8" and 1/2" square drive sockets. This set is designed for professional technicians and is suitable for selected Superline PRO® and Premier tool chests. Technical specifications Contents: 3/8"Sq Drive Sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm 3/8"Sq Drive Deep Sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm 1/2"Sq Drive Sockets: 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 32mm 1/2"Sq Drive Deep Sockets: 21, 22, 24, 27, 28, 30, 32mm Spark Plug Sockets: 16, 18, 21mm 3/8"Sq Drive Flip Reverse Ratchet Wrench 1/2"Sq Drive Flip Reverse Ratchet Wrench Universal Joints: 3/8" and 1/2"Sq Drive 3/8"Sq Drive Extension Bars: 75, 250mm 1/2"Sq Drive Extension Bars: 125, 250mm 1/2"Sq Drive Breaker Bar: 380mm 1/2"(F)-3/8"(M) Sliding T-Bar Adaptor Tray Size (W x D x H): 530 x 397 x 55mm Model No.: TBT31 EAN: 5051747334052 Compatibility and accessories Designed to