Features:* Brand new and high quality.* Industrial chrome molybdenum steel is used for forging, heat treatment, high hardness and impact resistance.* Strong torsion, thicken design suitable for electric and pneumatic tools, strong impact resistance.* Phosphate treatment for surface polishing makes it has strong erosion resistance.* Universal 360 deg; rotation, can be used flexibly in many directions.* Simple structure and beautiful appearance. Specifications: * Material: Chrome Molybdenum Steel * Color: Black (As Pictures Show) * Style: 1/4 inch * Size: 40 * 6.3 mm (Approx.) Package Contents: 1 * Universal Common Socket Note: 1. Real Colors item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.