Craftsman 24 pc. Metric 1/2 in. Drive Socket Wrench Set includes: 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 and 24 mm standard sockets 13, 14, 15, 16, 17, 18, 19, 20 and 21 mm deep well sockets Next Generation Ratchet, 3 and 6-inch extension bars Full polish finish wipes clean easily Alloyed steel construction stands up to tough torque 12 point sockets deliver more angles of grab