Introducing the M4 Forged Spline Socket Bit, a high-quality tool designed for both DIY enthusiasts and professional mechanics. This 3/8-inch square drive socket is constructed from premium forged Chrome Vanadium steel, ensuring strength and durability for a variety of tasks. The socket features a steel bit that guarantees a secure fit, while the heat-treated and chrome-plated finish provides a polished mirror look and resistance to corrosion. One of the standout features of this socket is the knurled ring, which offers excellent grip even when working with oily fingers, making it easier to handle in any situation. With a length of 48mm and a net weight of just 0.035kg, this compact tool is perfect for any toolbox. We take pride in our products, which is why the M4 Forged Spline Socket Bit comes with a lifetime guarantee, ensuring you can rely on its performance for years to come. Our online store offers a vast selection of tools and workshop equipment, with over 10,000 items available to meet all your needs, whether you're tackling a small DIY project or a large professional job. If you need assistance finding the right tool, don't hesitate to reach out to our customer service team—we're here to help you find exactly what you're looking for.