Image is for illustration only. 

Unit comes on standard metal rail. Held by metal spring holders. Not in black PVC holder as in image

sizes:

3/8"Dr :  1/4",5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4",13/16,7/8",15/16"

Chrome Vanadium Steel 

Up to 230 degree flexibility

Ideal for hydraulic hoses. fuel lines,, brake lines & air con pipes

Exceeds international ASME & DIN standards