【※】 Please note that this product is generously coated with oil. This does not affect the quality. The BLP12ISS15 is an impact socket set with a 12.7mm (1/2 inch) drive. This product is a genuine line product of "Blue-Point," a brand belonging to the global tool manufacturer "Snap-on" group, and is designed based on the standards of professional workplaces. Based on the tool philosophy of the Snap-on group, which emphasizes durability, reliability, and work efficiency cultivated over many years, CR-MO (chromium molybdenum steel), which is strong against impact loads, is used as the material. With a thick-walled design that anticipates high-torque work with impact wrenches and air tools, it can withstand harsh usage environments. It is a configuration that can be used with confidence in tasks that require certainty, such as work on undercarriages and suspensions, removal of seized nuts, and equipment maintenance. The rear of the sockets is equipped with blue identification rings to improve size visibility. It covers practical sizes from 10mm to 24mm and includes a 5-inch extension and a dedicated storage case. The professional quality, practicality, and excellent cost balance that can only be achieved by Blue-Point, which has the quality standards of the Snap-on group. This is an impact socket set that caters to a wide range of users, from professionals who use tools daily to users who perform full-scale maintenance. Accessories (Set Contents) Impact Sockets (14 pieces) 10mm / 11mm / 12mm / 13mm / 14mm / 15mm / 16mm / 17mm / 18mm / 19mm / 21mm / 22mm / 23mm / 24mm Extension (1 piece) 5 inches (12.7cm) Storage Case (1 piece)