Australian Door Cylinders Australian door cylinders used with Australian locking solutions are available with cylinder systems ABLOY PROTEC2, ABLOY NOVEL and ABLOY PROTEC. Finish satin chrome brushed. Australian Door Cylinder CY414Cylinder for rim locks. Australian Door Cylinder CY501Australian style knob cylinder. Australian Door Cylinder CY502Australian style knob cylinder. Australian Door Cylinder CY503Single oval cylinder for Australian style lock cases. Australian Door Cylinder CY504Single oval cylinder for Australian style lock cases. Australian Door Cylinder CY505Single oval cylinder for Australian style lock cases. Australian Door Cylinder CY507Single round cylinder for Australian style lock cases. Australian Door Cylinder CY801Australian style knob cylinder.