KLEIN TOOLS 70540 Folding Hex Key Set, Compact 9-Key SAE Sizes 5/64-Inch to 1/4-Inch, Industrial Strength Heat Treated Alloy Steel

PORTABLE DESIGN: Hex key is compact and pocket-sized for easy carrying and storage convenience 9 HEX KEY SIZES: Set includes 5/64-Inch, 3/32-Inch, 7/64-Inch, 1/8-Inch, 9/64-Inch, 5/32-Inch, 3/16-Inch, 7/32-Inch and 1/4-Inch KEY TENSION ADJUSTMENT: Effortlessly adjust key tightness or looseness with the convenient #2 Phillips fastener 270-DEGREE RANGE: Each blade opens independently to 270 degrees for work at all angles SQUARE CUT ENDS: Secure, full-depth fit for maximum contact with the socket, preventing slippage and stripping