These Organ Sewing machine needles are standard needles with a flat shank and regular size eye for most home sewing, embroidery and quilting machines. You get a set of 15 sewing machine needles in assorted sizes to be used for standard sewing projects. A great general purpose sewing machine needle assortment. These are compatible with all quality sewing machines, including SINGER, Brother, and Kenmore brands. This set includes (5) size 70/11 for lightweight fabrics, (5) size 90/14 for medium weight denim and (5) size 100/16 for heavyweight cotton. The Machine needles come in color coded packages.