The 12171 VDE-7 socket wrench insert from Stahlwille is a high-quality tool designed for professional applications. With a connection size of 3/8 inch, this socket insert offers versatile compatibility with various socket systems. Made from robust steel, it ensures high durability and resilience required for demanding working conditions. The insert weighs 24 grams, making it lightweight and handy without compromising stability. The striking red color of the tool not only allows for easy identification but also enhances safety by increasing visibility. The 12171 VDE-7 is a single piece that serves as a valuable addition to any professional workshop or DIY project. It is ideal for applications where precision and reliability are essential. With this socket insert, you can ensure that you achieve the necessary performance and efficiency in your work.