I.Ibiranga ibicuruzwa:
1. Himura urushinge
2. Urwego runini rwo kurwanya imihindagurikire y'ikirere
II.Ibipimo byingenzi bya tekiniki:
1. Shyiramo pin φ3mm φ2mm
2. Ingano ya 230 × 170 × 50 mm
3. Uburemere bwuzuye ≤1kg
III. Inamabisanzwe:
GB / T 6548