The metallic core is made with concentrically grooved profiling on both sides. A notch is turned on the outer circumference of the core in which a loose centering ring (2 spot-welded semi-sections) are inserted.
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.