THIS IS A S-K TOOLS12 PIECE 3/8 DRIVE TWIST TURBO SOCKET SETS. THE INDIVIDUAL ITEM NUMBERS ARE FROM 810-824. THE SOCKET SIZES ARE 10, 11 & 7/16, 12, 1/2, 13, 14, 9/16, 15, 16 & 5/8, 17, 11/16, 19 & 3/4.
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