~Plastic helixes for binding with 21 rings. ~Suitable for all plastic spiral binding machines. ~Step: 9:16. ~Length: 30 cm. ~Capacity: 145 sheets. ~25 pieces in pack.
~Plastic helixes for binding with 21 rings. ~Suitable for all plastic spiral binding machines. ~Step: 9:16. ~Length: 30 cm. ~Capacity: 145 sheets. ~25 pieces in pack.