NordWolf 6-11/16" (170mm) x 7/16" Quick Lock Drill Bit Extension, Fits All 7/16" Hex Shank Power Bits & Drills, Impact Grade Bit Holder for Impact Drivers
【Wide Compatibility】7/16" hex shank bit holder with 7/16" female hex fits all 7/16" hex shanks (bits or drills), with or without power-groove
【Convenient Usage】Extra long 6-11/16" (170mm) length for hard-to-reach working conditions
【Efficient Design】Quick release, pull red color knurled sleeve backwards to insert or release 7/16" hex shank drills and bits
【High Quality】Impact grade, high torque and durability on impact drivers, suitable for 7/16" hex shank auger bits, forstner bits, hole saw and big sizes power bits
【Easy Storage】Packed in ergonomic plastic storage box