The Klein Tools Pro Folding Hex Key Set packs 11 SAE hex keys into one folding handle, from 3/32-inch up to a high-leverage 1/2-inch key. Blades are heat-treated alloy steel, roughly 3.5 to 4.5 inches long, and open independently up to 270 degrees so you can swing one key out without unfolding the rest. Square-cut ends give a full-depth fit in the socket to reduce slippage and stripping. It suits tradespeople and serious DIYers who want one rugged set on the job site rather than loose L-keys; owners rate it highly, and the main trade-off is bulk compared with a plain key wallet.
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Owners rate the set 4.8 out of 5 across 269 ratings and praise its build and the convenience of independent blades. The 1/2-inch high-leverage key and the square-cut fit come up as standouts.
The Klein Tools Pro Folding Hex Key Set puts 11 SAE hex keys in one folding tool. It combines two sets into one and includes a 4-inch 1/2-inch key for extra leverage. It is built for rigorous job site use.
The blades are heat-treated alloy steel and run about 3.5 to 4.5 inches long. Each blade opens independently up to 270 degrees. The hex ends are square-cut for a full-depth fit and maximum contact with the socket, which helps prevent slippage and stripping.
The handle is reinforced nylon with a comfortable grip.