The Stahlwille extension 405 is a high-quality socket wrench adapter designed for professional use. With a 1/4 inch (6.3 mm) square drive and a length of 100 mm, this tool provides an optimal solution for hard-to-reach areas. The extension is made from chrome-alloy steel and is chrome-plated, which not only gives it an appealing appearance but also enhances the durability and resilience of the product. The special forging process ensures a precise external square according to DIN 3120 A 6.3, while the recessed internal square and the four snap-in grooves allow for easy and secure connection of the drive and coupling parts. These features make the extension an indispensable tool for any workshop or for DIY enthusiasts who value quality and functionality.

• Made from high-quality chrome-alloy steel for increased durability
• Chrome-plated surface for additional protection and appealing appearance
• Precise external square according to DIN 3120 A 6.3 for optimal fit
• Recessed internal square with snap-in grooves for easy and secure connection.