20pcs Metal Double Coil Binding Wire Loop 3:1 Pitch 6.4/7.9mm Calendar Loose-Leaf Notebook Spring Iron Ring Machine Binder Acces

20pcs Metal Double Coil Binding Wire Loop 3:1 Pitch 6.4/7.9mm Calendar Loose-Leaf Notebook Spring Iron Ring Machine Binder Acces

Aliexpress UK