This set of overlock, topstitch and embroidery sewing machine needles from SINGER is a great set of pre-selected SINGER machine needles ideal for various specialized projects including topstitching, embroidery and edging. This set includes overlock machine needles in sizes 80/12 and 90/14 best used for sewing over the edge of one or two pieces of cloth for edging, hemming or seaming in serger sewing machines. It also includes embroidery needles in size 90/14 best used with metallic or machine embroidery threads that feature special scarf and enlarged eyes to prevent excess friction, shredding and breakage. Finally, there are topstitch needles with extra large eyes in size 100/16 best used for topstitching heavy or multiple threads. This is a great set for the sewer who has a variety of sewing needs. Details: Includes assorted color heads for identification Includes assorted sizes and needle styles 45 needles Ideal for topstitching, embroidery, edging and more Contents: 15 overlock needles (sizes 80/12 and 90/14) 15 topstitch needles (size 100/16) 15 embroidery needles (size 90/14)