, Sewing Machine Bulb 15W Bayonet LED. SBC B15 Small Bayonet Cap. 15W 25W 35W tungten halogen bulb replacements. They give off a nice warm cosy light/bright clean light. These BA15D LED bulbs are perfect replacement for vintage sewing machine, beside table lamps, wall Lights, picture lamps, reading lamps and more. , Great Brightness and Low Heat. This LED bulb is much brighter than the old yellow tungsten bulb at only 4W and generates very little heat. It makes a big improvement in visibility and no worry about burning the hands when she is sewing. , Easy to Install. Plug and play. The small compact size is great for tiny B15 fittings, like sewing machine, picture lamp pygmy bulb in small decorative light fitting, etc. Note: The cap of the bulb is B15 small bayonet, no the B22 standard bayonet. , No Strobe Design. There is no strobe effect while doing some activities with liquids or fast hand movements, which is good for sensitive people. Important Note: these LED bulbs are not dimmable, which could not work on dimmers or 3-Way switch. , 100% Satisfaction. 30-Day Money Back Gurranty and 1-Year Warranty. If you have any problems or questions please feel free to contact with us. ,