100Pcs Single Loop Wire Binding Spines 12.7mm 1/2in 48 Teeth 4:1 Pitch 360 Degree 90 Sheet Capacity Spiral Binding Coils White

100Pcs Single Loop Wire Binding Spines 12.7mm 1/2in 48 Teeth 4:1 Pitch 360 Degree 90 Sheet Capacity Spiral Binding Coils WhiteYou may also like 50 Packs Double Loop Wire Binding Spines A4 Paper Size 180 Sheets Capacity 3/4in Diameter Wire Binding Rings for DIY Gold Color.