The Crescent SAE/Metric Pass Through Socket Set is a versatile set containing 19 pieces in various sizes including 13/16in., 7/8in., 3/4in., 10mm, 5/8in., 9/16in., and 1/2in. These sockets are designed to accommodate both SAE and metric measurements, making them suitable for a wide range of automotive applications. The high-quality Crescent brand ensures durability and precision, making it a valuable addition to any tool collection for mechanics and automotive enthusiasts alike. XXTEXX