Features: brand new and high quality. Comes with a convenient plastic storage box,easy to transport and carry. Complete rust and corrosion resistance with fully polished. Provides for protection longevity for years. Made of premium chromium molybdenum steel,superior hardness and precision fitting. The hex bit tips are adopts high-precision machining technology to ensure accurate sizing that protects bits from damaged edges and stripping. Specifications: Material:CR-MO Approximate Length: 78 mm/3.07 inches Socket Driver Size: 1/2 Hex Driver Type:RT5,RT6,RT7,RT8,RT10,RT12,RT13,RT14 Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 8 Pieces Hex Bit Socket