PREMIER YARNS: Wool Worsted Yarn. This is a great basic wool for felting projects and wherever you desire a 100% wool project. Afghans; rugs; sweaters; winter accessories: Wool Worsted is perfect for all these and more. Weight Category: 4. Content: 100% wool. Put- Up: 100ml/99g; 186yds/170m. Knit Gauge: 17sts x 20r = 4in/10cm on size US-8/5mm needles. Crochet Gauge: 14sc x 18r = 4in/10cm on size US-I-9/5.5mm hook. Care: hand wash; lay flat to dry; do not bleach; do not iron. Dyelotted. We try but cannot guarantee matching dye lots. Imported.