MAC MD166, 1/4 Drive Deep 6pt Socket, 1/2in., USA Made.

No owner engravings noted in a quick check.

See photos for detail.

Happy to combine multiple purchases into a single shipment.  I typically rebate EXCESS postage paid (deducting actual postage cost and shipping value fees assessed).   For the best shipping price, please add items to your shopping cart and hit the “Request Total” from me before paying. (Available usually on Classic Web versions.  May not be an option on all platforms).