You will also need:
1 Pair 9mm Knitting Needles
1 Pair 10mm Knitting Needles
Stitch Holders
Tension:
Sweater- 14sts and 20 rows to 10cm, 4in over Stocking Stitch on 6mm Knitting Needles or the size required to give the correct tension.
Cowl- 14sts and 26 rows to 10cm, 4in over Textured Pattern on 6mm Knitting Needles or the size required to give the correct tension.
If there are less stitches use a thinner Knitting Needle, if there are more stitches use a thicker needle.