Kobalt 81239 227 Piece Mechanic Tool Set. The item "Kobalt 81239 227 Piece Mechanic Tool Set" is in sale since Wednesday, May 29, 2019. This item is in the category "Home & Garden\Tools & Workshop Equipment\Hand Tools\Hand Tool Sets". The seller is "mervaawa" and is located in Annandale, Virginia. This item can be shipped to United States.