For this pattern you will need (50g Balls)

Jacket:
40in Chest - 17 Balls
42in Chest - 18 Balls
44in Chest - 20 Balls
46in Chest - 22 Balls
48in Chest - 24 Balls
50in Chest - 25 Balls

Wasitcoat:
40in Chest - 11 Balls
42in Chest - 12 Balls
44in Chest - 13 Balls
46in Chest - 14 Balls
48in Chest - 15 Balls
50in Chest - 16 Balls

- one pair each of knitting needles sizes 4.5mm and 5mm,
- cable needle.