Gauge / Metric (d)sk (max)
#4 (2.9) 5.00-4.82 2.30-2.00
#6 (3.5) 5.50-5.32 2.60-2.30
#7 (3.9) 7.00-6.78 2.60-2.30
#8 (4.2) 7.00-6.78 3.00-2.60
#10 (4.8) 8.00-7.78 3.80-3.30
#12 (5.5) 8.00-7.78 4.10-3.60
#14 (6.3) 10.00-9.78 4.70-4.10
#16 (8.0) 13.00-12.73 6.00-5.20
Advised Length in InchesActual Length in Millimetres
3/8"9.5
1/2"13
5/8"16
3/4"19
7/8"22
1"25
1.1/4"32
1.1/2"38
1.5/8"42
1.3/4"45
2"50
2.1/4"55
2.1/2"60
2.3/4"70