Features: *Industrial grade chromium molybdenum steel is used for forging, heat treatment, high hardness and impact resistance. *Strong torsion,the thicken design suitable for electric and pneumatic tools,great impact resistance. *Surface polishing phosphating treatment make it has great erosion resistance. *Universal 360rotate, can be used flexibly in Multiple directions. *Simple design and beautiful appearance. Specifications: *Material: Chromium Molybdenum Steel *Color: Black (As Pictures Show) *Style: 1/2 inch *Size: 70*12.5mm (Approx.) Package Included: 1*Universal Joint Socket Note: 1. The real color of the 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.