
| Head Form |
A |
B |
C |
D |
E |
| All dimensions are subject to a tolerance of ± 1mm |
| 1 |
144 |
59 |
36 |
32 |
115 |
| 2 |
152 |
65 |
39 |
39 |
121 |
| 3 |
152 |
64 |
37 |
36 |
121 |
| 4 |
153 |
63 |
43 |
35 |
125 |
| 5 |
161 |
68 |
40 |
42 |
138 |
These dimensions are for verification of head size only and are not the same as the anthropometric dimensions given in ISO 16976-2