PVC Coated Flexible conduit: 1. Material: Galvanized steel strip, PVC coated, yellow, gray, black three kinds of colors to be chosen 2. Light weight, good softness, the light intensify of connection, electrical character. 3. Used to a various of cable protect connection for machine equipment, electric powder, construction, petrochemical, mine and airport. 4. Sizes are available from 5/16" to 4"