Here's the item for added strength and durability; double wall, copper plated, steel brake line. Available in a 25' roll of 3/16" line, no nuts included.
This line bends easily and smoothly with hand tools and can be flared with a 45° double flaring tool. Use in conjunction with our 3/8"-24 inverted flare male brake line nuts.
Brake System Builder Tip (GIF)