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Introducing our Hex Key Sets from Proto - the perfect toolset for any professional mechanic or DIY enthusiast. With a versatile range of sizes, from 2-6mm, these precision engineered hex keys offer the torque needed to tackle tough jobs while being lightweight and easy to use. The set's compact size and durable construction make it perfect for carrying in your toolbox or bag, ensuring you're always prepared for any task that comes your way. From fixing electronics and assembling furniture to maintaining bicycles and automotive repairs, the Proto Hex Key Sets provide the perfect solution for any job requiring precision adjustments. Don't settle for inferior tools - upgrade to Proto and experience the difference in quality today!