The poly-vinyl-fluorine coating is a very durable "plastic" coating. This provides additional protection against corrosion, dirt and solutions for the pavement. It also offers great flexibility without kinking. The difference is that Poly-Armor alone offers 30 times the corrosion resistance of galvanized steel.

1/4" (6.4mm) diameter x 25' (7.5m) length Steel Tubing Brake Line without tube nuts
Use to fabricate US and adapter brake lines

Use e.g. with tube nut(s) # 19123 (Standard)

Actual part may vary from the picture !