CY503N - ABLOY Protec - Australian Cylinder CategoriesBrandsAbloyCY503N - ABLOY Protec - Australian Cylinder CY503N - ABLOY Protec - Australian Cylinder This cylinder is used for hold back applications on Lockwood 3570 & 3580 series mortice locks.SpecificationsNumber of discs: 11.Cylinder housing material: Brass.Cylinder housing finish: Satin Chrome Brushed. $151.23 Quantity Add to cart This cylinder is used for hold back applications on Lockwood 3570 & 3580 series mortice locks.Can be master-keyed with door cylinders.Note: Unassembled cylinder is supplied without cam assembly.ADDITIONAL INFORMATION BrandAbloyColourSatin ChromeRelated DownloadsABLOY PROTEC - Australian Cylinders (Size: 474.2 KB)ABLOY PROTEC - The Next Generation of High Security (Size: 630 KB) ABLOY PROTEC is the culmination of 90 years of world-leading development of the rotating disc cylinder. ×Close Nothing to see here!