LED Light Bulb 7/16" Base Screw In Type 15 Watt 120 Volt – Central Michigan Sewing Supplies Inc.
Amazon.com: ID: 444100. 2 New Generic Long Frosted Push-in Sewing Machine Light Bulbs, 15 W/120V, Base: 9/16". Compatible with, not manfactured by Elna. Will fit Models as Below