8mm Hexagonal Shank Dovetail Screw Socket with Non Magnetic Design and Steel Balls to Prevent Loosening used for Power Tools

Swallowtail hex screw socketProduct material: 45 # steelApplicable tools: Hand drills/Lithium drills/Pneumatic drillsProduct use: Can be used for door and window installation, equipment maintenance, steel frame assembly, etcFeatures: concave hexagonal design, nuts are easier to embedAbout the error: the data are manual measurement, there may be 1-3mm error， it is normal for different batches to have some differences, please refer to the actual receipt.