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Stanley Proto J7121 1/2" Square Ext, 7/16" HexStanley J7121 Proto 1/2-inch Square Extension 7/16-inch Hex Made of forged steel. Size stamped on tool for easy identification. Ball detent. Not for use on impact applications.$12.45$14.01
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proto J7121 Impact Socket Adapter, 7/16In x 1/2InImpact Socket Adapter, Drive Size 7/16 In. , Drive Type Male Hex, Output Drive Size 1/2 In. , Output Drive Type Male Square, Overall Length 2-3/4 In. , Finish Black Oxide, Standards Federal Specifications GGG-W-641E, ANSI B107. 1$13.00$13.00




