DROPS CIRCULAR NEEDLE 80 and 40 cm SIZE 7 mm or size needed to get 12 sts x 16 rows in stocking st or 12 sts x 24 rows in garter st with 1 strand of each yarn 10 x 10 cm

Could you correct the punctuation please?
DROPS CIRCULAR NEEDLE (80 and 40 cm) SIZE 7 mm or size needed to get 12 sts x 16 rows in stocking st or 12 sts x 24 rows in garter st with 1 strand of each yarn = 10 x 10 cm.