Metal protective hose with jacket SILVYN® LCC-2 20/16.9X21.5 BK 30M, metal protective hose with jacket, inner diameter: 16.9mm, outer diameter: 21.5mm, nominal size: 20, steel, UV-resistant, areas of application: to protect a cable from environmental influences, suitable for outdoor use, withstands high mechanical loads, benefits: particularly weather-resistant thanks to the liquid-tight PVC outer jacket, flexible, spiral-wound metal protective hose with hook-in profile ensures increased impact and pressure resistance, especially for demanding environments with high demands on mechanical and chemical stability