Singer Featherweight 221 LED Bulb World's Brightest Made In USA Five (5) Year Warranty. Stocked in Arizona, USA. New Samsung HD LED Technology. UL rated. 10X Brighter. 10X Cooler. Specially Designed for Singer 221 and 222 Models ONLY Replaces #2PCW - 60703 - 988076-001 - 205880 Fits 19/32'' Base, Push-in Twist & Lock Type BA15d Bulb 120VAC, 4 Watts, 0.03 amps, measures 1.25" x 1.00" round flat disc shape