These Singer Assorted Universal Machine Needles are perfect for all woven fabrics. The needles included will penetrate the fabric threads of woven, natural and synthetic fabrics. Made from high-quality steel, these lasting needles will make a great addition to your sewing collection. There are five machine needles included in the pack, in sizes 70, 80 and 90. Strong, efficient and reliable, these needles are ideal for completing a wide range of projects. They are compatible with the following Singer sewing machines:- M2105, Confidence 7640, Patchwork Plus C5985Q and Heavy Duty 4423