Mighty, powerful, detailed, and oh-so-formidable, Fenrir brings together some of the most enticing features offered. From its sloping tip to its significant knot, this is one exciting toy.
| Mini | Small | Medium | Large | XLarge | |
| Circ Base | 7.38" | 8.75" | 11.10" | 14.13" | 17.00" |
| Circ Head | 2.88" | 3.44" | 4.40" | 5.75" | 7.00" |
| Circ Knot | 5.69" | 6.56" | 8.30" | 10.63" | 12.75" |
| Circ Shaft | 4.00" | 4.75" | 6.40" | 7.50" | 9.75" |
| Diameter Base | 2.44" | 3.00" | 3.70" | 4.75" | 5.75" |
| Diameter Head | 1.00" | 1.19" | 1.30" | 2.06" | 2.50" |
| Diameter Knot | 1.88" | 2.13" | 2.80" | 3.56" | 4.25" |
| Diameter Shaft | 1.31" | 1.50" | 2.10" | 2.50" | 3.25" |
| Total Length | 5.44" | 6.38" | 8.20" | 10.63" | 12.25" |
| Insertable Length | 4.44" | 5.25" | 6.50" | 8.75" | 10.25" |
