This Klein Tools 70550 Hex Wrench Key Set includes 11 Fractional Inch-Sized Keys in an eye-catching orange color. The keys are made by the reputable manufacturer Klein Tools and are perfect for use with power tools and air tools. With this set, you can easily tighten and loosen bolts, screws, and other fasteners. It is an essential tool for any workshop or home DIY project. Purchase this set and make your work easier, faster, and more efficient.