High Strength S2 Alloy Steel: These L-keys are made of high-quality hardened heat-treated S2 steel with hardness of HRC 50-57, coated with nickel matte plating, have long-term corrosion resistance and anti-rust, ultimate strength, and reliable performance

13 Pieces Allen Wrench Set: DuraTech Hex Key Set covers commonly used sizes around homes, garages, and workshops. SAE size: 1/20, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 inch. Great tool gift or present for DIYers, mechanics, bicyclists, plumbers, professionals, and more

Ball End Design: The long arm wrench tool set is designed with a ball end to access socket cap screws with up to a 25-degree entry angle, and the versatile long arm design provides additional reach for deep work spots on the long end

T-Handle with Greater Torque and Better Toughness: The matching handle turns the L key into a comfortable T-handle, adding force when loading and unloading the fasteners, making it faster and easier to load and unload fasteners

Storage Holder: The hex keys are securely held in plastic holders, which can be opened horizontally for easy access and replacement of the wrench. More importantly, it has a clear size mark for easy identification and quick selection