Features: High strength brass construction ensures durability, corrosion resistance, and heat tolerance in this 4.76mm flareless brake line connectors for secure automotive fluid transfer. precise engineered 4.76mm diameter enables seamlessly compatibility with standard, reverse, and double flare brake lines without requiring tube expansion. Ideal for mechanics and DIY enthusiasts maintaining small car, SUVs, or trucks using 3/16in or 3/8in brake tubing systems. Perfect for brake system repairs or upgrades where reliable, easy installation meets OEM grade performances in harsh driving conditions. double threaded brass fittings provide vibration resistant sealing across temperature extremes, meeting strict automotive safety standards for brake line connection. Specifications: Component:Brass Size:Approx.8x6x2cm/3.15x2.36x0.79inch Option Type:Approx.3/16, 3/8;(Optional) Product features: high strength, excellent wear and corrosion resistance, as well as highly temperature resistance, stable connection, high reliability, safe use Suitable for a variety of models such as small car, SUVs and trucks Package Includes: 10pcs Brake Line Connectors note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.