Parallel corrugated protective hose with thread SILVYN® TC NW17 (16.6X21.2) M20X1.5BK, Parallel corrugated protective hose with thread, M 20, Nominal size: 17, Inner diameter: 16.6mm, Outer diameter: 21.2mm, Polyamide, Halogen-free, UV-resistant, Areas of application: Mechanical engineering, Plant engineering, Switch cabinet construction, Indoor and outdoor use, Benefits: Cost savings through quick and easy installation, Dimensionally stable, Flexible, Integrated thread