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TOTiyea 50 Pack Double Loop Wire Binding Spines,1 Inch Diameter,2:1 Pitch,21-Loop, Black, 220 Sheets Capacity, Letter Size : Amazon.co.uk: Stationery & Office Supplies
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23 Loops Red Metal Spiral Binding Coil 2: 1 Double Loop Binding Wire - China Double Wire Binding, Double Wire in Spool | Made-in-China.com
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