... : Nylon/PA, 100% First-grade Type: Straight/Spiral Coil Nylon Air Tube Material: Nylon/PA, 100% First-gradeType: Straight/Spiral CoilThickness: according ... standard is 1/4", 1/2", 1/8", 3/16" and so on. Color: as you demand, generally such as:nature ... doable. Product Use:Industry robot, pneumatic tool, assembly plant, and the duct with pressure; vehicles service, brake system and so on. Nylon Air Tube