• Folding hex key set is compact and pocketable for convenient carrying and storing Effortlessly adjust key tightness or looseness with the convenient #2 phillips fastener High-leverage blades open independently up to 270 deg Hex key ends are square-cut for a secure, full-depth fit and maximum contact with the socket to prevent slippage and stripping Reinforced nylon handle has a sturdy, comfortable grip Blades are made of tough, heat-treated alloy steel and range from approximately 2-1/4 to 2-1/2 in long coated to prevent rust Openings on the sides of case provide unimpeded access to outer keys 17 key sizes include 5/64 in, 3/32 in, 7/64 in, 1/8 in, 9/64 in, 5/32 in, 3/16 in, 7/32 in, 1/4 in and 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm

Klein tools two-piece compact folding hex key kit features 17-keys including SAE and metric sizes. The SAE hex key set houses the nine most common sizes for the jobsite, while the metric hex key set features eight common sizes for daily applications. The hex ends are square-cut for a secure full-depth fit and maximum contact with the hex socket to prevent slippage and stripping of the socket.