Aunt Lydia's had been America's favorite brand for over 100 years. The most common and popular, size 10 crochet thread, offers many options for your favorite projects in a variety of colors! Ball size Solids: 100 g/3.5 oz, 85 meters/92 yards. Ball size Prints: 85 g/3 oz, 71 meters/78 yards * Gauge: 4 - Medium * Recommended Knitting Needle: 5 mm. Recommended Crochet Hook: 5.5 mm * Knitting Gauge: 4" x 4" (10 cm x 10 cm) 16 sts and 21 rows with a 5 mm (U.S. 8) knitting needle. Crochet Gauge: 4" x 4" (10 cm x 10 cm) 13 sc and 15 rows with a 5.5 mm (U.S. I/9) crochet hook