Upgrade your vehicle's brake system with these premium stainless steel brake line adapter fittings. This 2-pack set features precision-engineered 4AN to 3/8-24 3/16" adapters, designed for seamless integration and reliable performance. The robust stainless steel construction ensures exceptional durability and resistance to corrosion, making these fittings ideal for both street and performance applications. Each adapter is machined to exact specifications, featuring clean threads and precise dimensions for a secure, leak-free connection. These versatile fittings allow you to properly connect brake lines with different sizes, making them essential for custom brake line installations or system modifications. The hexagonal design provides easy installation and removal using standard tools. Perfect for automotive enthusiasts and professional mechanics who demand quality and reliability in their brake system components.