HQRP 2-Pack 7/16" 110V LED Light Bulbs Cool White for Singer 14T957DC / XL2021 / 1507/1732 Sewing Machine plus HQRP Coaster HQRP&reg; Pack of 2 LED Bulbs plus HQRP&reg; Coaster; Base: 7/16" (E12) Base; Lumen: 300-350; Working Voltage: 110V AC; Power: 3 Watt; LED: 64 LEDs; Lumen Color Temperature: Cool White 6000K-6500K; 200 days warranty!