The Vigor universal adapter with chain attachment for brake maintenance systems, model V4381-4, is a specialized tool designed for professional and home workshop applications in automotive maintenance. This single-piece adapter enables a secure connection between various brake maintenance systems and vehicle components, featuring a robust chain attachment mechanism that ensures stable positioning during brake service procedures. The adapter is constructed from durable materials suitable for repeated use in demanding workshop environments, with precise engineering that facilitates compatibility with multiple brake system interfaces. Its universal design allows for application across different vehicle makes and models, reducing the need for multiple specialized adapters in a workshop setting. The chain attachment provides additional stability during brake fluid exchange, bleeding, or other maintenance tasks where secure tool positioning is essential. With dimensions optimized for practical handling, this adapter measures approximately 15 cm in length and weighs 350 g, making it manageable for extended use. The product represents a successor model to previous adapter designs, incorporating improvements in attachment security and material durability. For workshop professionals and automotive enthusiasts, this tool offers reliable performance for brake system maintenance while maintaining compatibility with existing Vigor brake service equipment. The neutral gray finish provides clear visibility of connection points during operation.