... Metal Flexible Tubing, Metal Hose, Metal Liquid Tight Conduit 1/4"-4" I.D.:7.7-100.6mm, ... 11-111.5mm Metal Flexible Conduits, Liquid-tight flexible conduit,.corrugated conduit,machine pipe,metal conduitMaterial: Galvanized steel strip, PVC ... -over locked structure to increase strength resistance,,hard to break or distortProtection levels : IP68Color: Black & GreyApplication: Railway, vehicle, traffic ...