25 Schmetz Topstitch Sewing Machine Needles 130 N Size 100/16 Size 100/16 is perfect for heavy weight, bulky thick fabrics. 5 packs of needles. Each pack contains 5 needles, for a grand total of 25 needles. Has an extra large eye and large grooves to accommodate topstitch thread. This needle helps stitch perfectly straight lines and even stitches. The shank(top part) of these needles have one flat side and one rounded side. These will fit all "household" models of Brother, Janome, Singer, Pfaff, Bernina, Viking, Elna, Kenmore, Baby Lock, Simplicity, Necchi, White and many others.