Complete Size Coverage: DuraTech hex key set covers commonly used sizes around homes, garages, and workshops size. 9 pcs ball end hex key set: 1/16, 5/64, 3/32, 1/8, 5/32, 3/16, 1/4, 5/16, 3/8in. 9 pcs ball end hex key set: 1.5, 2, 2.5, 3, 4, 5, 6, 8, 10mm. 9 pcs star hex key set: T10, T15, T20, T25, T27, T30, T40, T45, T50.

Premium Material: Heat-treated chrome alloy steel structure provides extra strength to reduce wear and can withstand long-term daily use to ensure maximum durability.

27 PCS Hex Key Wrench Sets: DuraTech Allen wrench sets include every hex and Torx key you could ever need. The hex keys even have a ball end design that allows you to tighten or loosen fasteners with up to a 25-degree entry angle. The different colored metric and SAE sets ensure you never confuse the two.

Stay Organized: The Allen wrenches are securely held in plastic holders and 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.

Great Gift: DuraTech hex key set is a great tool gift for DIY enthusiasts, mechanics, cyclists, plumbers, professionals, etc.