Saipor 12inch Drill Bit Extension 1/4 Hex Shank Quick Release Magnetic Screwdriver Holder Extender for Impact Driver, Rod Work Inch Drive Bits

The drill bit extension is made of high quality CR-V(Chrome vanadium steel) with anti-skid roll pattern for high hardness and large torque. The 12-inch-long reach will allow you to get into those hard to reach areas without straining your back and neck, greatly improve work efficiency Interface has a locking mechanism and built-in magnetic to make the work more stable and ensuring that your bits will not shake during use. Works with 1/4-Inch drive bits The drill bit extender has quick release system, just push the sleeve up to eject the bits , a practical helper for you to quickly install and change the screwdriver bits General 1/4'' hex shrank prevents slipping, fits all power drills, 1/4" impact drivers, and hand-held drivers