5mm needles are used only for the last few rows of rib of the Polo Collar.

Measurements
To fit chest
24, 26, 28, 30, 32, 34 inch
Actual measurements
26, 28, 30, 32, 34, 36 inch
Length from back neck
15, 18, 19, 19½, 22½, 23½ inch
Sleeve length
11, 12, 13, 14, 15, 17 inch

Each pamphlet has a different set of recommended yarns. The following are from the Argyll version.

Materials
Machine Washable
Argyll Ferntex Double Double
5, 6, 7, 8, 9, 10 balls.