Klein 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. Included (11) Fractional Inch-Sized Keys Key Lengths 4" (10.2 cm)Overall Width 1.37" (3.5 cm) Handle Length 6.63" (16.8 cm) Size 1/2", 3/8", 5/16", 1/4", 7/32", 3/16", 5/32", 9/64", 1/8", 7/64", 3/32" Special Features Extended-Reach Keys Overall Length 6.63" (16.8 cm) Material Handle: Reinforced Nylon; Keys: Alloy Steel Color Orange Application Nut Driving Weight 1.09 lb (0.5 kg) Overall Height 2.07" (5.3 cm) Type Folding Hex Key Style_Name Hex Key Set