Nico Size Chart
All measurements have been taken at the widest point.
Size in centimeters
| Sizes (cm) | S | M | L | XL |
| Total Length | 15.9 | 21.8 | 27.7 | 33.5 |
| Usable Length | 13.2 | 18.1 | 22.9 | 27.7 |
| Head Circ. | 11.6 | 15.5 | 20.2 | 24.6 |
| Midshaft Circ | 9.6 | 13.2 | 16.9 | 20.5 |
| Base of Shaft Circ. | 11.5 | 14.7 | 19.4 | 22.6 |
| Head Diameter | 3.9 | 5.3 | 6.8 | 8.3 |
| Midshaft Diameter | 3.1 | 4.2 | 5.4 | 6.6 |
| Base of Shaft Diameter | 3.8 | 5.2 | 6.6 | 7.7 |
Size in inches
| Sizes (in) | S | M | L | XL |
| Total Length | 6.3 | 8.6 | 10.9 | 13.2 |
| Usable Length | 5.2 | 7.1 | 9.0 | 10.9 |
| Head Circ. | 4.6 | 6.1 | 8.0 | 9.7 |
| Midshaft Circ. | 3.8 | 5.2 | 6.7 | 8.1 |
| Base of Shaft Circ. | 4.5 | 5.8 | 7.6 | 8.9 |
| Head Diameter | 1.5 | 2.1 | 2.7 | 3.3 |
| Midshaft Diameter | 1.2 | 1.7 | 2.1 | 2.6 |
| Base of Shaft Diameter | 1.5 | 2.0 | 2.6 | 3.0 |