Southco Mobella replacement turn lock knob for Offshore latches

Southco Mobella replacement turn lock knob for Offshore latches. The retaining tab on these knobs sometimes snaps off with age and the knob will not stay in the latch. It is best to dis-assemble the latch to be sure all debris is removed before installing new lock knob. The inside face of the lock knob has tabs that will match with the indentations of the main latch engine which insures proper alignment.