2Pcs Forstner Bit Extension Steel 169mm 254mm Extra Long Forstner Drill,_^

This forstner bit extension is used to extend shank drill bit an extra 169mm,254mm. It adopts steel structure, which can ensure it is strong and enduring. 2 x Forstner Bit Extension. To hold the shank in place, use a hex wrench to tighten these screws.

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