The SINGER Assorted Quilting Machine Needle 15pc Set is a great set of pre-selected SINGER machine needles ideal for both quilt piecing, patch work, and general quilting. Assorted needle sizes allow you to choose the needle that best suits your fabric. The 5 piece SINGER Quilting Needles are designed to stitch through multiple layers of fabric, great for quilting, blanket and patchwork. This set includes 5 blue size 90/14 quilting needles best for lightweight woven fabrics. The quilting needle features a special tapered point that penetrates multiple layers and prevents damage to the fabrics. This set includes 5 blue size 90/14 ball point needles for use on spandex and lycra products, as well as suedes. The 5 piece SINGER Stretch Needles are designed with a deep scarf to prevent skipped stitches and a rounded point (less rounded than ball point needles) to pierce thicker fabrics like extremely stretchy clothing found in swimsuits, activewear, and yogawear. Finally, the 5 piece Microtex Needles feature a thin, sharp point for perfectly straight stitches when precision is paramount. This set includes (2) 60/08 needles for very lightweight fabrics, (2) 70/09 needles for sheer lightweight fabrics, and (1) 80/12 needle for lightweight woven fabrics.