The socket wrench insert from Stahlwille is a high-quality tool designed for professional use. With a double hexagon and an AS-Drive profile, this insert provides optimal power transmission and reduces the risk of damage to screw heads. The 3/8" square drive allows for easy handling and compatibility with various socket systems. Additionally, the insert is VDE-insulated and offers protection up to 1,000 V, making it ideal for work in electrical applications. The protective insulation meets the requirements of IEC 60900, ensuring safety during use. Made from HPQ® high-performance steel and chrome-plated, the socket wrench insert is characterized by durability and corrosion resistance. With a key size of 16 mm, this insert is specifically designed for hexagon socket screws and meets the needs of professionals in various industries.