Introducing the Premium 22pc TRX Star, Hex Key, and Spline Socket Bit Set designed for 3/8" Square Drive applications. Crafted from professional-grade heat-treated Chrome Vanadium steel, these sockets promise durability and reliability for all your projects. Each socket features a fully polished black chrome finish, ensuring a sleek look and resistance to corrosion. The precision-machined and lacquered surfaces enhance grip and usability, even when working with oily fingers, thanks to the innovative knurled ring design. This comprehensive set includes a variety of sizes to tackle any job: - Spline Sizes: M4, M5, M6, M8, M10, M12 - TRX-Star Sizes: T10, T15, T20, T25, T27, T30, T40, T45, T47, T50 - Hex Sizes: 4, 5, 6, 7, 8, 10 All bits are conveniently organized in an EVA storage tray for easy access and portability. Plus, enjoy peace of mind with our lifetime guarantee on this premium tool set. Whether you're a DIY enthusiast or a professional tradesperson, our extensive range of tools and workshop equipment is perfect for every task, big or small. If you need assistance finding the right tools, our friendly customer service team is here to help. Shop now and elevate your toolkit with our premium socket bit set!