greg bender
http://www.thisoldtractor.com/gtbender
This information was gratefully provided by Chris Oates, who was sent this information by eurocarb. I meticulously recreated the table of values from a somewhat difficult to read original. Therefore, mistakes may be present. Here is a link to the original image in case you would like to scrutinize any particulars.

VHB carburetor slide needle
Table: Slide needle series V
| Type | Value X | Characteristic expressed in millimeters | ||||
|---|---|---|---|---|---|---|
| ØA | ØB | C | D | E | ||
| V1 | 1 | 2.47 | 0.75 | 23.5 | 67.5 | 73.5 |
| V2 | 2 | 2.5 | 1.9 | 22 | 67.5 | 73.5 |
| V3 | 3 | 2.48 | 1.5 | 22 | 67.5 | 73.5 |
| V4 | 4 | 2.5 | 1.5 | 22 | 67.5 | 73.5 |
| V5 | 5 | 2.48 | 1.8 | 27 | 72.5 | 78.5 |
| V6 | 6 | 2.45 | 1.9 | 20 | 67.5 | 73.5 |
| V7 | 7 | 2.45 | 1.5 | 20 | 67.5 | 73.5 |
| V8 | 8 | 2.45 | 1.7 | 18.5 | 67.5 | 73.5 |
| V9 | 9 | 2.48 | 1.8 | 26 | 72.5 | 78.5 |
| V10 | 10 | 2.47 | 1.5 | 23.5 | 67.5 | 73.5 |
| V11 | 11 | 2.47 | 2.5 | 23.5 | 67.5 | 73.5 |
| V12 | 12 | 2.5 | 1.5 | 20 | 67.5 | 73.5 |
| V13 | 13 | 2.5 | 1.7 | 24 | 67.5 | 73.5 |
| V14 | 14 | 2.4 | 2.1 | 20 | 72.5 | 78.5 |
| V15 | 15 | 2.48 | 1.5 | 26 | 67.5 | 73.5 |
| V16 | 16 | 2.47 | 1 | 25 | 67.5 | 72.5 |