"These are New Universal Sewing Machine Light Bulb # 7SCW (220 Volts, 15 Watts, Screw-in, 7/16"" Base) and fits the following models. for WHITE MODELS - 510, 571, 622, 915, 944, 1099, 1409, 1415, 1418, 1477, 1505, 1525, 1740, 1760, 1766, 2037, 2360, 2838, 2999, 4040, 4075, SL34.
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