Professional Hollow-Shaft Nut Driver Hex Bit Socket Metric Size 7mm

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Features: Built-in anti-slip rubber handle provides comfortable operation. With different sizes for more options: 7mm/8mm/9mm/10mm/11mm/12mm/13mm/14mm(Optional). Extended length to meet your different needs. Hollow shaft, can accommodate long bolts. Made of chrome-vanadium steel, hardened for maximum torque and wear resistance. Great for driving hex fasteners or using on long bolts or threaded rod applications.