Woolcraft's Superwash 4Ply Sock Yarn is a hardwearing 4 ply yarn, perfect for fine garments and sock knitting. The 25% Polyamide content gives it added strength, yet the yarn has a soft handle with lasting quality and will keep its quality through repeated machine washing. Ball Weight 100g Yarn Weight 4 Ply Needle Size 3.25mm Yarn Length 420m Tension 28 stitches, 36 rows to 10cm square