Shinai Regulations Table A. FIK Specifications for competition use of one Shinai (Itto).

| Specification | Gender | Junior_High_School_12_15_yrs | Senior_High_School_15_18_yrs | University_students_and_Adults_18yrs_ |
|---|---|---|---|---|
| Maximum length | Male & female | 114cm | 117cm | 120cm |
| Minimum weight | Male | 440g | 480g | 510g |
| Minimum weight | Female | 400g | 420g | 440g |
| Minimum diameter of sakigawa | Male | 25mm | 26mm | 26mm |
| Minimum diameter of sakigawa | Female | 24mm | 25mm | 25mm |