Product Attribute:
Material:Rubber
Size:12mm
Color:Yellow
Applicationt: 
all can be used
Production Description:
Composition: link nut, Internal copper plugs, Protect spring, Nylon spiral pipe, ( Male connector )
Application: connection piping for various kinds of tractor, Semitrailer, Trailer and braking system...
Main color: red, blue, yellow and black
Main material: PA6, PA11, PA12...
Common number of turns: 15, 18, 20, 22, 24, 26, 28, 30, 32...
Outer diameter of spiral pipe: 75mm, 90mm, 110mm...
Working length: 2.5m, 2.75m, 3.25m, 3.5m, 3.75m, 4m...
Number of turns and outer diameter can be made customized.