Shinai - Regulations

Regulations

In kendo competitions that follow the FIK rules, there are regulated weights and lengths for the use of shinai.

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
Female 400g 420g 440g
Minimum diameter of sakigawa Male 25mm 26mm 26mm
Female 24mm 25mm 25mm
Minimum length of sakigawa Male and Female 50mm 50mm 50mm

Shinai are weighed complete with leather fittings, but without tsuba or tsuba-dome. The full length is measured. Maximum diameter of the tsuba is 9cm.

Table B. FIK Specifications for competition use of two Shinai (Nito).
Specification Gender Daito (long shinai) Shoto (short shinai)
Maximum length Male & female 114cm 62cm
Weight Male 440g minimum 280–300g maximum
Female 400g minimum 250–280g maximum
Minimum diameter of sakigawa Male 25mm 24mm
Female 24mm 24mm

Shinai are weighed complete with leather fittings, but without tsuba or tsuba-dome. The full length is measured. Maximum diameter of the tsuba is 9cm.

Commercial Shinai Sizing
Size Length Size Length
28 36" 92 cm 36 44" 112 cm
30 38" 97 cm 37 45" 114 cm
32 40" 102 cm 38 46" 117 cm
34 42" 107 cm 39 47" 120 cm

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