size chart
| RINGS |
| US | DIAMETER | CIRCUMFERENCE |
| 5 | 15.8mm | 46.9mm |
| 6 | 16.5mm | 51.8mm |
| 7 | 17.2mm | 54mm |
| 8 | 18.2mm | 57.8mm |
| 9 | 19.1mm | 60mm |
| CUFFS |
| S | L | |
| Opening: | 27mm | 35mm |
| Circumference: | 155mm | 185mm |
| RINGS |
| US | DIAMETER | CIRCUMFERENCE |
| 5 | 15.8mm | 46.9mm |
| 6 | 16.5mm | 51.8mm |
| 7 | 17.2mm | 54mm |
| 8 | 18.2mm | 57.8mm |
| 9 | 19.1mm | 60mm |
| CUFFS |
| S | L | |
| Opening: | 27mm | 35mm |
| Circumference: | 155mm | 185mm |