Pro Folding Hex Key Set - 11 Fractional Inch-Sized KeysKlein Tools' new Pro Folding Hex Key set conveniently consolidates two sets into one. The heavy-duty 11-piece set includes a high leverage, 4-Inch long 1/2-Inch key. Industrial strength, extended reach blades open independently up to 270 degrees, and a precision fit design to reduce slippage and stripping. The durable handle is made of reinforced nylon with a comfortable grip. The heavy-duty Pro Folding Hex Key set is built specifically for a rigorous job site. Features:Pro Folding Hex Key Set with 11 extended-reach bladesKey sizes: 1/2, 3/8, 5/16, 1/4, 7/32, 3/16, 5/32, 9/64, 1/8, 7/64, and 3/32-InchHigh-leverage blades open independently up to 270 degreesHex-key ends are square-cut for a secure, full-depth fit and maximum contact with the socket to prevent slippage and strippingConveniently houses the most frequently used hex key sizes in one setBlades are made of tough, heat-treated alloy steel and range from approximately 3.5 to 4.5-Inches longReinforced nylon handle has a sturdy, comfortable gripSpecifications:Color: OrangeType: Folding Hex KeyApplication: Nut DrivingWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.