Milwaukee 49-66-7016-49-66-7016 SHOCKWAVE 1/2 in. Drive SAE and Metric 6 Point Impact Socket Set (58-Piece)Milwaukee 58-piece shockwave impact duty 1/2in. Drive sae and metric deep 6 point socket set features boldest, longest-lasting markings and extreme impact durability in high torque applications. Stamped and ink-filled size marking enables users to select right socket every time throughout life of socket. SeMilwaukee sockets are engineered with high-strength forged steel for optimized performance in heavy-duty applications. Non-slip hex geometry prevents fastener rounding, and a dual-hole design and ring groove allow for easy socket attachment and removal. Storage cases are impact-resistant and nest toger for easy stacking and storage. All shockwave impact duty sockets backed by a lifetime guarantee and meet asme industry standards.Kit includes 56 deep SAE and metric sockets and (2) extensions, the following sizes are included: (2) 7/16, (2) 1/2, (2) 9/16, (2) 5/8, (2) 11/16, (2) 3/4, (2) 13/16, (2) 7/8, (2) 15/16, (2) 1, (2) 1-1/16, (2) 1-1/8, (2) 1-3/16, (2) 1-1/4, (2) 10, (2) 11, (2) 12, (2) 13, (2) 14, (2) 15, (2) 16, (2) 17, (2) 18, (2) 19, (2) 21, (2) 22, (2) 26, (2) 27, and (2) 3 in. extensionsImpact resistant case with nestability for easy stacking and storageDual hole design and groove for easier attachmentNon-slip hex geometry to prevent socket and fastener roundingLifetime guarantee covers impact sockets and extensions onlyLaser etched part numberMeets ASME industry standardsCorrect-case setDimensionsDrive Size1/2 in