Sold on Amazon For hard-to-reach deep well bolts Reed offers Extended Sockets that are made of tool steel and are impact grade. Use Extended Sockets to tighten hex nuts on repair clamps mechanical joint fittings and saddles. Drive them with a 1/2square drive impact wrench or hand tighten. Finish on sockets provides corrosion-resistance.

Reed Mfg-02645 Extended Socket Set 6 Sizes
$74.08