Made of cold-forged Chrome-vanadium steel to improve the properties, strengthen the material and make each sockets dimensions highly accurate | Coated in black oxide finish to increase toughness, reinforcing the steel and making it highly resistant to corrosion | Provides a solid pinless design connection to distribute professional-strength high-torque, preventing stripping and rounding off of fasteners | Works with impact drivers or manual drive tools | Comes with high-contrasted size markings which make it easy-to-read, even in low light
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Item# : SPM18327378304
Model # : RNAB09ZBKPYY6