Universal - for everyday sewing- medium 6 per packet, for general sewing
Top Stitch - Extra large eye with extra sharp point for easy penetration through all fabrics. Good for all threads 80/12
Jeans needles for heavier fabrics 80/12
Stretch - two way stretch knits, lycra, power net, silk jersey, spandex, and highly elasticized synthetic fabrics. Also ideal for elastic 75/11
Metallic - Specially designed for metallic and embroidery threads. Medium 6 per packet. Large eye and large groove prevents thread breaks and accommodates metallic flow at all stitch speeds 80/12
Change needle regularly in your machine. Recommended time is every 6- 8 hours.