You will need a cable needle.

You will also need the following types of needles, all in size US 6 (4.0 mm).

1 pair size needles
1 circular needle no more than 16” (40 cm)
1 circular needle no more than 32” (80 cm) long
1 set of 4 double-pointed needles

Finished measurments:
Bust circumference: 34(37.5, 42, 46.25, 49.75)“ 886.5(95.3, 106.5, 117.5, 126.5) cm
Finished length: 24.5(25.25, 26, 26.75, 27.25)” 62.5(64, 66, 68, 69.5) cm
Sleeve to underarm: 18(18, 18.25, 18.25, 18.25)“ 45.5(45.5, 46.5, 46.5, 46.5) cm
Saddle shoulder measures: 3(3.25 ,3.25, 3.75, 4)” 7.5(8, 8.5, 9.5, 10) cm