Klein Tools 70542 Folding Hex Key Set 17-Key Metric and SAE 2-Piece

• Amazon now offers the Klein Tools 70542 Folding Hex Key Set, 17-piece SAE and metric, now $14.98 (list price $19.98).
• Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
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Editor's Pick: Whether you're fixing a bike or assembling furniture, hex screws come up all the time, and this 17-piece set covers both SAE and metric sizes. It folds up to about the size of a small wallet, so it fits easily in a tool bag or a drawer corner without taking up space. Each key swings open independently up to 270 degrees, so you can reach screws in tight spots. The tips are square-cut to seat firmly in screw heads and resist slipping and stripping. A rust-resistant coating means you don't have to worry about corrosion after long storage in the garage.

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