Amazon Is Selling a 'Heavy Duty' 31-Piece Allen Wrench Set for Just $13 originally appeared on Athlon Sports. Allen wrenches are one of the more underrated tools you can have around the house or job ...

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Each of these eight T-handle Allen wrenches has grooves in two of the flats, near the tip, which Craftsman calls “X-Tract” technology. The brand claims that these enable the wrenches to remove a ...