Gauge / Metric (d)dkk (max)Drive
#2 (2.2)4.30-4.001.30T6
#4 (2.9)5.50-5.201.70T10
#6 (3.5)7.30-6.902.35T15
#7 (3.9)7.50-7.142.30T15
#8 (4.2)8.40-8.002.60T20
#10 (4.8)9.30-8.902.80T25
#12 (5.5)10.30-9.903.00T25
#14 (6.3)11.30-10.903.15T30
Advised Length in InchesActual Length in Millimetres
3/16"4.5
1/4"6.5
5/16"8.0
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
1.3/4"45
2"50
2.1/4"55
2.1/2"60
2.3/4"70
3"80
3.1/2"90
4"100