
Vienna Regulator Crank Key
K3081- Traditional Style
- High Quality
- Brass / Steel
- UK Made
- Imperial UK Sizing (00 to 10)
(Numbering system for Indian made keys does not equal UK imperial number system)
Clock Keys UK Sizes Imperial to Metric
(Numbering system for Indian made keys does not equal UK imperial number system)
UK Imperial Sizes:
000 (3/0) = Metric 2.00mm
00 (2/0) = Metric 2.20mm
0 (1/0) = Metric 2.40mm
1 = Metric 2.60mm
2 = Metric 2.80mm
3 = Metric 3.00mm
4 = Metric 3.20mm
5 = Metric 3.40mm
6 = Metric 3.60mm
7 = Metric 3.80mm
8 = Metric 4.00mm
9 = Metric 4.20mm
10 = Metric 4.40mm
11 = Metric 4.60mm
12 = Metric 4.80mm
13 = Metric 5.00mm
14 = Metric 5.20mm
15 = Metric 5.40mm
16 = Metric 5.60mm
17 = Metric 5.80mm
18 = Metric 6.00mm
19 = Metric 6.20mm
20 = Metric 6.40mm
21 = Metric 6.60mm